TCS Smart Hiring is the path into TCS for BCA, B.Sc CS, B.Sc IT, and select B.Sc science graduates who are not from a B.Tech programme. The test is labelled “simple to moderate” in difficulty, and that label is accurate - but it misleads candidates into underpreparing. The time constraints are tight. 26 numerical questions in 40 minutes means 92 seconds per question. 30 reasoning questions in 50 minutes means 100 seconds per question. 24 verbal questions in 30 minutes means 75 seconds per question. At this pace, a candidate who knows the concepts but lacks speed will run out of time on a “simple” test. This guide closes the gap between knowing and knowing quickly - with worked examples, formula sheets, speed techniques, and a three-week preparation plan calibrated specifically for B.Sc and BCA students.

TCS Guide

Understanding the TCS Smart Hiring Test Format

Section Questions Time Per Question
Numerical Ability 26 40 minutes 92 seconds
Reasoning Ability 30 50 minutes 100 seconds
Verbal Ability 24 30 minutes 75 seconds
Coding (optional) Variable 30 minutes Ignite profile

No negative marking. Every question should receive an answer - never leave blanks.

The Smart Hiring test is easier than NQT in concept complexity but comparable in time pressure. B.Sc Mathematics students find the Numerical section comfortable once speed is built. BCA students bring computational logic that helps in Reasoning. The preparation investment is primarily in speed and application, not concept learning.


Section 1: Numerical Ability (26 Questions, 40 Minutes)

The Science Graduate Advantage

B.Sc students have direct academic exposure to many Smart Hiring Numerical topics. B.Sc Mathematics students have studied sequences, permutations, and geometry at a higher level than what Smart Hiring tests. B.Sc Physics and Chemistry students have performed ratio and proportion calculations in every lab report. The challenge is not the mathematics - it is applying it at 92 seconds per question.

Topic 1: Number System

Divisibility rules (speed reference):

  • By 2: last digit even
  • By 3: digit sum divisible by 3
  • By 4: last two digits divisible by 4
  • By 6: divisible by both 2 and 3
  • By 9: digit sum divisible by 9
  • By 11: alternating digit sum divisible by 11

HCF and LCM: HCF x LCM = product of two numbers.

Problem 1.1: Find the largest number dividing 37, 89, and 161 leaving the same remainder. Differences: 89-37=52, 161-89=72, 161-37=124. HCF(52, 72, 124). HCF(52,72) = 4. HCF(4,124) = 4. Answer: 4.

Problem 1.2: LCM of 12, 18, 24? 12=2x3, 18=2x3, 24=2x3 (prime factor method). LCM = 2^3 x 3^2 = 72. Answer: 72.

Time target: 45-60 seconds.

Topic 2: Percentages

The fraction shortcut table (memorise):

  • 10% = 1/10 (shift decimal left)
  • 12.5% = 1/8
  • 20% = 1/5
  • 25% = 1/4
  • 33.33% = 1/3
  • 37.5% = 3/8
  • 50% = 1/2
  • 62.5% = 5/8
  • 66.67% = 2/3
  • 75% = 3/4
  • 87.5% = 7/8

Problem 2.1: 37.5% of 480? 3/8 of 480 = 3 x 60 = 180. (10 seconds using fractions vs 40 seconds using decimals.)

Problem 2.2: Salary Rs. 45,000 increases by 20%. New salary? 10% = 4,500. 20% = 9,000. New = 45,000 + 9,000 = Rs. 54,000.

Problem 2.3 (reverse): After 25% decrease, price = Rs. 3,600. Original? 75% of original = 3,600. Original = 3,600 x (4/3) = Rs. 4,800.

Successive changes: Net % = a + b + ab/100. 10% increase then 10% decrease: 10 + (-10) + (10 x -10)/100 = -1%. Net 1% decrease.

Time target: 45-60 seconds.

Topic 3: Profit and Loss

Core formulae:

  • Profit% = (SP-CP)/CP x 100
  • SP = CP x (100+P%)/100
  • CP = SP x 100/(100+P%)
  • Markup m%, discount d%: Net profit% = m - d - md/100

Problem 3.1: Goods marked 40% above cost, 15% discount given. Profit%? Net = 40 - 15 - (40x15)/100 = 25 - 6 = 19%.

Problem 3.2: Selling 50 pencils gives profit equal to SP of 10 pencils. Profit%? CP of 50 = SP of 50 - SP of 10 = 40 units (if SP=1). Profit per unit = 0.2 on CP 0.8. 25%.

Problem 3.3 (equal SP trap): Two items at Rs. 1,200 each: 20% profit, 20% loss. Net result? Formula: Net loss% = (common%)^2/100 = 400/100 = 4% loss.

Time target: 50-65 seconds.

Topic 4: Averages

Formula: Sum = Average x Count.

Problem 4.1: Average of 10 numbers = 24. Add 11th number, 46. New average? New sum = 240 + 46 = 286. New average = 286/11 = 26.

Problem 4.2: Average of A, B, C = 45. Average of A, B = 42. Find C. Sum ABC = 135. Sum AB = 84. C = 51.

Problem 4.3 (replacement): Average of 8 = 32. Replace 20, new average = 34. Replacement? Change in sum = (34-32) x 8 = 16. New number = 20 + 16 = 36.

Time target: 35-45 seconds.

Topic 5: Ratio and Proportion

Problem 5.1: Rs. 4,200 divided in ratio 2:3:7. Find B’s share. Total parts = 12. B = 3/12 x 4,200 = Rs. 1,050.

Problem 5.2 (alligation): Rice at Rs. 40/kg mixed with Rs. 60/kg for Rs. 50/kg mixture. Ratio? (60-50):(50-40) = 10:10 = 1:1.

Problem 5.3: A:B = 3:4, B:C = 5:6. Find A:B:C. A:B = 15:20, B:C = 20:24. A:B:C = 15:20:24.

Time target: 40-55 seconds.

Topic 6: Time and Work

Two-worker formula: Together = ab/(a+b).

Problem 6.1: P finishes in 12 days, Q in 18. Together? (12x18)/(12+18) = 216/30 = 7.2 days.

Problem 6.2: 10 people build wall in 8 days. 16 people? Total work = 80 person-days. 80/16 = 5 days.

Problem 6.3: A and B together in 6 days. A alone in 10 days. B alone? B = (10x6)/(10-6) = 60/4 = 15 days.

Pipes: Net rate = sum of fill rates minus drain rates.

Time target: 45-60 seconds.

Topic 7: Time, Speed, and Distance

Key: Speed = Distance/Time. km/h to m/s: multiply by 5/18.

Problem 7.1 (train + platform): 200m train crosses 300m platform at 72 km/h. Speed = 72 x 5/18 = 20 m/s. Distance = 500m. Time = 500/20 = 25 seconds.

Problem 7.2 (opposite direction): Trains 150m and 200m at 50 and 40 km/h toward each other. Relative speed = 90 km/h = 25 m/s. Distance = 350m. Time = 14 seconds.

Problem 7.3: Boat speed 12 km/h, stream 3 km/h. Time for 45 km downstream? Downstream speed = 15 km/h. Time = 45/15 = 3 hours.

Average speed for equal distances: 2v1v2/(v1+v2) - NOT arithmetic mean. 60 km at 30 km/h then 60 km at 60 km/h: Average = 2x30x60/(30+60) = 40 km/h.

Time target: 45-60 seconds.

Topic 8: Geometry Basics

Key formulae:

Triangles: Area = 1/2 x base x height. Right triangle hypotenuse: Pythagorean theorem. Circle: Area = pi x r^2. Circumference = 2 x pi x r. (Use pi = 22/7.) Rectangle: Area = l x b. Diagonal = sqrt(l^2 + b^2).

Cylinder: Volume = pi x r^2 x h. TSA = 2 x pi x r x (r+h). Cone: Volume = (1/3) x pi x r^2 x h. CSA = pi x r x l where l = sqrt(r^2+h^2). Sphere: Volume = (4/3) x pi x r^3. SA = 4 x pi x r^2.

Problem 8.1: Cylinder r=7cm, h=10cm. TSA? (pi=22/7) TSA = 2 x (22/7) x 7 x 17 = 2 x 22 x 17 = 748 cm^2.

Problem 8.2: Right triangle legs 8cm and 15cm. Hypotenuse? h = sqrt(64+225) = sqrt(289) = 17 cm.

Time target: 45-55 seconds.

Topic 9: Simplification

BODMAS: Brackets, Orders, Division, Multiplication, Addition, Subtraction.

Key identities:

  • a^2 - b^2 = (a+b)(a-b) - use to avoid squaring large numbers. 73^2 - 27^2 = 100 x 46 = 4,600.
  • a^3 - b^3 = (a-b)(a^2+ab+b^2) - use to cancel fractions.

Problem 9.1: (0.75^3 - 0.5^3)/(0.75^2 + 0.75x0.5 + 0.5^2)? Using a^3-b^3 = (a-b)(denominator): the fraction = (a-b) = 0.75-0.5 = 0.25.

Problem 9.2: sqrt(1.44) + cbrt(0.008)? sqrt(1.44) = 1.2. cbrt(0.008) = 0.2. Sum = 1.4.

Time target: 25-40 seconds.

Complete Numerical Formula Sheet

Topic Formula
Percentage change (New-Old)/Old x 100
Reverse % (after r% increase) Original = New/(1+r/100)
Successive discounts a%, b% Combined = a+b-ab/100
Profit% (SP-CP)/CP x 100
SP from CP and P% SP = CP x (100+P)/100
Markup m%, discount d% Net% = m-d-md/100
Two workers (a, b days) Together = ab/(a+b)
Average after replacement New = Old + (change in avg x count)
HCF x LCM = Product of two numbers
Train + obstacle Time = (train + obstacle)/speed
Boats downstream Speed = boat + stream
Boats upstream Speed = boat - stream
Average speed (equal distance) 2v1v2/(v1+v2)

Section 2: Reasoning Ability (30 Questions, 50 Minutes)

The Smart Hiring reasoning section uses the same question types as NQT Foundation but at lower complexity. Arrangements have 4-5 people with 3-4 conditions (not 7-8 with complex multi-variable attributes). Series are simple arithmetic and geometric (not multi-level compound patterns). The core rule is the same: draw and diagram, never solve mentally.

Coding-Decoding

Smart Hiring primarily uses uniform letter shift. Each letter shifts by the same number of positions.

Problem: HOUSE is coded as KRXVH. What is the rule? H+3=K, O+3=R, U+3=X, S+3=V, E+3=H. Each letter +3. Apply to new word.

APPLE coded with +3: A+3=D, P+3=S, P+3=S, L+3=O, E+3=H. Code = DSSOH.

Reverse shift: If coded word is given, apply the reverse shift (-3 in this case) to decode.

Time target: 30-45 seconds for uniform shift.

Series

AP (arithmetic progression): Constant first difference. Find next: 5, 9, 13, 17, ? → d=4 → 21.

GP (geometric progression): Constant ratio. Find next: 3, 6, 12, 24, ? → ratio=2 → 48.

Square/cube series: 1, 4, 9, 16, 25, ? → perfect squares → 36.

Wrong term: 1, 4, 9, 16, 25, 35, 49. Perfect squares should give 36, not 35. Wrong term: 35.

Multi-level difference: 2, 5, 10, 17, 26, ? First differences: 3, 5, 7, 9 (odd numbers, +2 each). Next difference = 11. Next term = 37.

Time target: 30-40 seconds per series problem.

Analogies

Number: 16:256::9:? → 16^2=256, 9^2=81.

Word: Doctor:Hospital::Teacher:? → works at → School.

Letter: ACE:FHJ::KMO:? Positions: 1,3,5 then 6,8,10 then 11,13,15. Next: 16,18,20 = PRT.

Time target: 25-35 seconds.

Blood Relations

Mandatory: Draw the family tree.

Problem: Pointing to a man, a woman says “His mother is the only daughter of my mother.” What is the woman to the man? “Only daughter of my mother” = the woman herself. Man’s mother = the woman. She is his Mother.

Coded: A + B = A is mother of B. A - B = A is father of B. M + N - P: M is mother of N. N is father of P. M is P’s Grandmother.

Time target: 45-60 seconds (with drawing).

Direction Sense

Mandatory: Draw the path.

Turn system: Right turns go clockwise: N to E to S to W to N. Left turns go counter-clockwise.

Problem: 5 km East, turn left, walk 3 km. Distance from start? East 5, then North (left from East) 3. Distance = sqrt(5^2+3^2) = sqrt(34) approx 5.83 km (North-East direction).

Net displacement shortcut: Sum all North movements, subtract South. Sum all East movements, subtract West. Apply Pythagorean theorem.

Time target: 45-55 seconds (with drawing).

Seating Arrangements

At Smart level: 4-5 people, 3-4 conditions. Draw a row of boxes or a circle.

Problem: 4 people A, B, C, D in a row. (1) A is not at the ends. (2) B is to the right of A. (3) D is not adjacent to B. From (1): A at position 2 or 3. Try A=2: B at 3 or 4. B=3: C,D at 1,4. D not adjacent to B(3) means D not at 2 or 4. D=1, C=4. Valid. Arrangement: C(1) A(2) B(3) D(4). Verify: A not at ends (pos 2) ✓, B right of A ✓, D not adjacent to B(3): D at 4 adjacent to B at 3? Yes, 4 is adjacent to 3. Violation. Try D=1 (not adjacent to B at 3 means D cannot be at 2 or 4): D=1, C=4. Check: D at 1 is adjacent to A at 2, not B at 3. D(1) A(2) B(3) C(4). D not adjacent to B(3): D is at 1, B at 3 - not adjacent. ✓

Final arrangement: D A B C.

Time target: 2-3 minutes per arrangement set.

Syllogisms

Venn diagram method (mandatory).

Problem: All dogs are animals. All animals breathe. (I) All dogs breathe. (II) Some animals are dogs. Dogs within animals within breathe. (I): dogs within breathe - follows by transitivity. FOLLOWS. (II): dogs are a subset of animals, so some animals are dogs. FOLLOWS.

Problem with “No”: No bird is a fish. All fish swim. Conclusion: No bird swims. Birds and fish don’t overlap. Fish swim. But birds might also swim independently. Does NOT follow.

Time target: 60-75 seconds per problem.

Puzzles

Comparison puzzle: 5 students ranked 1-5. P=3. Q ranked higher than R. S ranked lower than P. T ranked higher than S but lower than P. S < P(3) and T < P(3) and T > S: S=5, T=4. Q > R, remaining positions 1,2: Q=1, R=2. Ranking: Q(1), R(2), P(3), T(4), S(5).

Floor puzzle: 5 people, 5 floors. Use a constraint table with confirmed positions marked and impossibilities crossed out. Fill one condition at a time.

Time target: 2-3 minutes per puzzle set.


Section 3: Verbal Ability (24 Questions, 30 Minutes)

At 75 seconds per question, this is the tightest budget section. Strong English readers finish comfortably; those who read English less frequently need extra preparation here.

Reading Comprehension

The question-first technique: Read all RC questions before the passage. Know what to look for, then read.

Main idea questions: Usually stated in the first or last paragraph.

Inference questions: The answer is implied, not stated. What must be true if the passage is true?

Tone questions: Look for positive/neutral/critical language. Key tone words: cautious (perhaps, may, might), assertive (clearly, must), critical (fails, overlooks).

Time allocation: 2 minutes reading + 5 questions at 60 seconds = 7 minutes per passage. Two passages = 14 minutes. Remaining 16 minutes for 14 non-RC questions (68 seconds each).

Sentence Completion

The blank must fit grammatically AND contextually.

Identify the context direction: Does the sentence need a positive or negative word for the blank?

Problem: Despite the team’s extensive ____, the project failed to deliver. “Despite… failed” = contrast. Blank needs a positive word (the team did something good, yet failed). Answer: efforts (positive vs apathy/confusion which are negative).

Double blank: Both blanks must be internally consistent with each other and with the sentence.

Time target: 35-45 seconds.

Error Spotting

The 5 most tested grammar errors at Smart level:

  1. Subject-verb agreement: “group of students are working” - “group” is singular, use “is”.
  2. Tense consistency: “came, finished, and leaves” - should be “left” (past tense).
  3. Article usage: “a honest man” - “honest” starts with vowel sound, use “an”.
  4. Preposition: “good in cooking” - should be “good at cooking”.
  5. Pronoun agreement: “each student must submit their” - “each” is singular, use “his or her”.

Approach: Read each segment. Stop at the first segment that sounds grammatically incorrect. If nothing sounds wrong in individual segments, check for error at segment boundaries (agreement, tense, preposition usage).

Time target: 45-55 seconds.

Vocabulary

30 essential words for Smart Hiring:

Word Meaning Example context
Lucid Clear, easy to understand Lucid explanation
Benevolent Kind, charitable Benevolent organisation
Meticulous Very careful about detail Meticulous research
Obsolete No longer in use Obsolete technology
Pragmatic Practically-minded Pragmatic approach
Tenacious Persistent, determined Tenacious effort
Verbose Using too many words Verbose writing style
Ambiguous Having more than one meaning Ambiguous instructions
Diligent Careful and hardworking Diligent student
Frugal Economical with money Frugal lifestyle
Amiable Friendly, pleasant Amiable personality
Candid Honest, straightforward Candid feedback
Destitute Without basic necessities Destitute conditions
Elusive Difficult to find or catch Elusive solution
Fervent Intensely passionate Fervent supporter
Gregarious Fond of company Gregarious nature
Haughty Arrogantly superior Haughty attitude
Impeccable Without fault Impeccable record
Jovial Cheerful, good-humored Jovial demeanor
Lethargic Lacking energy Lethargic response
Mundane Ordinary, lacking excitement Mundane task
Nonchalant Casually calm Nonchalant attitude
Opulent Luxuriously rich Opulent lifestyle
Pensive Engaged in thought Pensive expression
Quirky Unusual in an interesting way Quirky personality
Reticent Not revealing thoughts Reticent speaker
Sagacious Having wisdom Sagacious advice
Taciturn Reserved, saying little Taciturn nature
Ubiquitous Present everywhere Ubiquitous technology
Vivacious Lively and animated Vivacious personality

Learning strategy: Read 10 words per day with their example context. Review previous days’ words before adding new ones. By Day 3, test by covering the meaning and recalling from the word alone.

Time target: 20-30 seconds per vocabulary question after preparation.


Section 4: Optional Coding for Ignite Profile

Candidates pursuing the Ignite profile (extended Science to Software training) may face a coding section at Foundation difficulty.

What appears:

  • Arithmetic on user inputs
  • Number checks (prime, palindrome, Armstrong, factorial)
  • Simple loops (print patterns, series up to N)
  • Basic array operations (max, min, sum)
  • String operations (reverse, count characters)

Minimum viable coding goal: Write a correctly-running prime number check or palindrome check from scratch in under 25 minutes.

2-week non-coder coding plan:

Week 1: Python basics. Install Python. Day 1: print statement and variables. Day 2-3: input/output and arithmetic. Day 4-5: conditionals (if/else). Day 6-7: loops (for, while). Target: write even/odd check and multiplication table.

Week 2: Problem types. Day 8: Factorial. Day 9: Prime check. Day 10: Fibonacci. Day 11: Palindrome number. Day 12: Armstrong number. Day 13-14: Array max/min/sum and string reversal.

For detailed 4-language solutions with line-by-line comments for each of these problem types, the TCS Ninja Coding guide in this series covers all implementations in C, C++, Java, and Python.


The “I’m Not From Engineering” Anxiety: Addressed Directly

A significant proportion of BCA and B.Sc candidates underperform specifically because of a belief they carry into the exam room: “This is designed for engineers; I am at a disadvantage.”

This belief is factually incorrect on multiple dimensions.

The test is calibrated for you. TCS Smart Hiring exists precisely because engineering-level difficulty is inappropriate for BCA/B.Sc candidates. The questions are designed for your background.

B.Sc Mathematics students have outright advantages in the Numerical section. You have worked with sequences, number theory, and geometry at a higher academic level than what Smart Hiring tests. The challenge is speed techniques, not concept learning.

B.Sc Physics and Chemistry students have done ratio and proportion, percentage calculations, and unit conversions in every lab practical. This background maps directly to the Numerical section’s highest-frequency topics.

BCA students have computational thinking from programming coursework, which helps with Reasoning and the optional Coding section. Your exposure to algorithms, databases, and networking is more relevant than what a B.Tech Mechanical or Civil graduate brings.

Every stream has a specific advantage to leverage:

For B.Sc Mathematics: Focus preparation time on speed techniques rather than concept learning. You already know the concepts from university mathematics.

For B.Sc Physics/Chemistry: Your comfort with numerical reasoning is your base. Build speed on top of it.

For B.Sc CS/IT: Logical reasoning maps to algorithmic thinking. The coding section, if required, is within your training.

For BCA: Broad base across all sections. No dominant weakness to overcome.

The Correct Preparation Framing

Instead of “I need to catch up to engineers,” use: “I need to build speed on concepts I already know.”

This reframe changes how you practice. You spend hours on application under time pressure, not hours on concept learning. The preparation effort drops substantially, and confidence going in increases proportionally.

The Smart Hiring test rewards exactly the skills that BCA and B.Sc programmes build - analytical reasoning, quantitative literacy, and English communication. The preparation in this guide converts those skills into exam performance.


3-Week Preparation Plan

This plan assumes 2 hours daily and moderate mathematics comfort (school-level arithmetic fluent, competitive exam aptitude new).

Week 1: Numerical Ability

Day 1 (Monday): Percentages. Memorise fraction-percentage table. Practice 20 problems. Target: under 60 seconds each.

Day 2 (Tuesday): Profit and Loss. Master the markup-discount combined formula. 15 problems.

Day 3 (Wednesday): Ratio/Proportion and Averages. Both topics, 10 problems each.

Day 4 (Thursday): Time/Work and TSD. Two-worker formula + unit conversion + train crossing. 15 problems combined.

Day 5 (Friday): Number System, Geometry, Simplification. 5 problems each.

Day 6 (Saturday): Full Numerical mock. 26 questions, 40 minutes. Review all errors.

Day 7 (Sunday): Rest. Review formula sheet (10 minutes only).

Week 2: Reasoning and Verbal

Day 8: Coding-Decoding (uniform shift) and Series (AP, GP, squares). 10 problems each.

Day 9: Blood Relations (draw every problem) and Direction Sense (draw every path). 8 problems each.

Day 10: Seating Arrangements (2 sets) and Syllogisms (10 problems with Venn diagrams).

Day 11: Analogies (10 problems) and Puzzles (2 comparison + 1 floor).

Day 12: Verbal - RC. 2 passages using question-first technique. Grammar rules review.

Day 13: Verbal - Error Spotting (15 problems) and Vocabulary (learn 20 words from this guide).

Day 14 (Sunday): Full Reasoning mock. 30 questions, 50 minutes. Error analysis.

Week 3: Integration and Mock Tests

Day 15: Target the biggest gap from Week 2 mock. 15 focused problems from that topic.

Day 16: Full Verbal mock. 24 questions, 30 minutes.

Day 17: Numerical speed drill. 26 questions in 35 minutes (5 min tighter than actual to build buffer).

Day 18: Numerical + Reasoning back-to-back without break (endurance training).

Day 19 (if pursuing Ignite): Write one complete coding solution from scratch under 25 minutes.

Day 20 (Saturday): Full mock test. All three sections: Numerical (40 min) + Reasoning (50 min) + Verbal (30 min) = 120 minutes. No breaks between sections.

Day 21 (Sunday): Rest. Final formula sheet review (15 minutes maximum).


Speed-Building Techniques

The Daily 5-Minute Numerical Drill

Round 1 (90 sec): 10% of 380, 1250, 85, 4700, 320. Then 25% of 480, 840, 1600, 240, 3200. Expected: 38, 125, 8.5, 470, 32 | 120, 210, 400, 60, 800.

Round 2 (90 sec): Simplify ratios: 24:36, 45:75, 120:180, 72:96, 56:84. Expected: 2:3, 3:5, 2:3, 3:4, 2:3.

Round 3 (90 sec): Two-worker calculations: (12,6), (8,10), (15,20), (9,18), (6,4). Expected: 4, 4.44, 8.57, 6, 2.4 days.

Round 4 (60 sec): Mental squaring: 17, 23, 35, 42, 48. Expected: 289, 529, 1225, 1764, 2304.

Question-Type Recognition Drill

Read each problem opening, identify the topic in 5 seconds (do not solve):

“A sells to B at 20% profit…” -> Profit and Loss “Pipe A fills tank in 6 hours…” -> Time and Work (Pipes) “200m train crosses 300m bridge…” -> TSD (Train) “Rice at Rs. 40 mixed with Rs. 60…” -> Ratio/Alligation “MARKET coded as PDUNHW…” -> Coding-Decoding “All cats are mammals. Some mammals…” -> Syllogisms “Average age of 10 students is 15…” -> Averages

Instant recognition saves 5-8 seconds per question x 56 questions = 4-7 minutes per section.


Time Management Strategies

Numerical (26Q, 40 min)

Scan first: In the first 60 seconds, scan all 26 questions. Identify the 8-10 fastest (simplification, simple averages, direct percentage). Answer fastest first.

Target allocation:

  • 10 fast questions: 40 seconds each = 400 seconds
  • 10 medium questions: 75 seconds each = 750 seconds
  • 6 slow questions: 95 seconds each = 570 seconds
  • Total: 1,720 seconds = 28.7 minutes. Buffer: 11 minutes.

Reasoning (30Q, 50 min)

Arrangement sets (5 questions each): Setup takes 3-4 minutes but yields 5 answers at 30 seconds each. Total per set: 5.5 minutes = 66 seconds per question. Worth doing.

Individual questions: Series, analogies, coding-decoding at 40-60 seconds each. Attempt these first.

If an arrangement set is not cracking after 4 minutes: Move on. Return with remaining time.

Verbal (24Q, 30 min)

RC strategy: 2 minutes reading, 5 questions at 60 seconds each = 7 minutes per passage. Two passages = 14 minutes. 16 minutes for 14 remaining questions at 68 seconds each.

Non-RC questions: Error spotting and sentence completion at 40-50 seconds. Vocabulary at 20-25 seconds. These build a time buffer for RC.


Practice Problem Sets

10 Numerical Problems (Smart Hiring Level)

Q1: 15% of 480 + 25% of 640 = ? 15% of 480 = 72 (10%=48, 5%=24). 25% of 640 = 160. Total = 232.

Q2: After a 30% increase, a price is Rs. 5,200. Original price? Original = 5,200/1.30 = Rs. 4,000.

Q3: Trader buys 120 items for Rs. 1,000. Sells at Rs. 10 each. Profit%? SP = 120 x 10 = 1,200. Profit = 200. Profit% = 200/1000 x 100 = 20%.

Q4: A:B:C = 2:3:5. Total Rs. 4,500. Find A’s share. A = 2/10 x 4,500 = Rs. 900.

Q5: Average of 5 numbers is 38. When 6th number added, average becomes 40. 6th number? New total = 6 x 40 = 240. Old total = 5 x 38 = 190. 6th = 240-190 = 50.

Q6: P completes work in 10 days. Q in 15 days. R in 30 days. All three together? Rates: 1/10 + 1/15 + 1/30 = 3/30 + 2/30 + 1/30 = 6/30 = 1/5. Time = 5 days.

Q7: A 120m train at 54 km/h. Time to cross a 180m bridge? Speed = 54 x 5/18 = 15 m/s. Distance = 300m. Time = 300/15 = 20 seconds.

Q8: Area of circle with circumference 44cm. (pi=22/7) 2 x (22/7) x r = 44. r = 7. Area = (22/7) x 49 = 154 cm^2.

Q9: Evaluate: 5^2 - (3^2 + 4^2 - 7)/(5+3). = 25 - (9+16-7)/8 = 25 - 18/8 = 25 - 2.25 = 22.75.

Q10: An item marked at Rs. 800 is sold at Rs. 680. Discount%? Discount = 120. Discount% = 120/800 x 100 = 15%.

10 Reasoning Problems (Smart Hiring Level)

Q11 (Coding-Decoding): PEACE coded as RGCEG. Code for QUIET? P+2=R, E+2=G, A+2=C, C+2=E, E+2=G. Each letter +2. Q+2=S, U+2=W, I+2=K, E+2=G, T+2=V. Answer: SWKGV.

Q12 (Series): Next term: 1, 1, 2, 3, 5, 8, 13, ? Fibonacci: each term = sum of previous two. 8+13 = 21.

Q13 (Analogy): Horse:Stable::Dog:? Horse lives in a Stable. Dog lives in a Kennel.

Q14 (Blood Relation): A is B’s sister. B is C’s brother. C is D’s father. What is A to D? A is sister of B. B is brother of C. A and C are siblings. C is D’s father. A is D’s Aunt.

Q15 (Direction): Starting north, walking 4 km, turning right, walking 3 km, turning right, walking 4 km. Where are you relative to start? North 4, then East (right from N) 3, then South (right from E) 4. Net vertical: 4N-4S=0. Net horizontal: 3E. You are 3 km East of start.

Q16 (Seating): 5 people A,B,C,D,E in a row. A in middle. B to the right of A. E at leftmost end. A=3 (middle). B at 4 or 5. E=1. Remaining C,D at positions 2 and remaining. If B=4: C,D at 2,5 (no further constraint given). One valid arrangement: E(1) C(2) A(3) B(4) D(5). Answer (Who is to the immediate left of B?): A.

Q17 (Syllogism): All squares are rectangles. No circle is a rectangle. Conclusion: No circle is a square. Squares within rectangles. Circles completely outside rectangles. Therefore circles completely outside squares (since squares are within rectangles and circles are outside rectangles). Conclusion FOLLOWS.

Q18 (Data Sufficiency): Is N prime? Statement 1: N is odd. Statement 2: N has exactly two factors. Alone, Statement 1: odd numbers can be prime (3,5,7) or not (9,15,25). NOT sufficient. Statement 2: A number with exactly two factors is by definition prime. Sufficient alone. Answer: (B) Statement 2 alone sufficient.

Q19 (Analogy - letters): BD:EG::NP:? B(2)D(4) and E(5)G(7): pairs with same gap (+2), starting 3 apart. N(14)P(16) and ?(17)?(?19) = QS. Answer: QS.

Q20 (Puzzle): 4 friends A,B,C,D. B taller than A but shorter than C. D is the shortest. Order tall to short: C > B > A > D. Who is second tallest? B.

5 Verbal Problems (Smart Hiring Level)

Q21 (Sentence Completion): The scientist’s findings were ____ by subsequent research that confirmed every detail. (A) refuted (B) questioned (C) corroborated (D) ignored. “Confirmed every detail” = positive reinforcement. (C) corroborated (confirmed/supported). Answer: C.

Q22 (Error Spotting): “He is (A) one of the best (B) student (C) in the class (D).” “One of the best” refers to multiple, so the noun should be plural: “students”. Error in (C).

Q23 (Vocabulary - Synonym): GARRULOUS = ? (A) Silent (B) Talkative (C) Aggressive (D) Thoughtful. Garrulous means excessively talkative. Answer: (B).

Q24 (Vocabulary - Antonym): PARSIMONIOUS = ? (A) Generous (B) Careful (C) Strict (D) Thoughtless. Parsimonious means excessively frugal/stingy. Antonym: (A) Generous.

Q25 (Sentence Completion - double blank): The manager’s ____ approach to problem-solving resulted in ____ that the team had not expected. (A) systematic / confusion (B) innovative / breakthroughs (C) cautious / failures (D) random / successes. Internally consistent: innovative approach leading to breakthroughs. Answer: (B).


Frequently Asked Questions: Smart Hiring Aptitude

How different is Smart Hiring difficulty from NQT Foundation? Smart Hiring questions are generally 10-20% simpler in terms of concept complexity. NQT Foundation includes harder problem variants, more complex calculation chains, and wider topic coverage within each section. However, Smart Hiring’s time per question is slightly tighter than NQT Foundation. A candidate who clears NQT Foundation would comfortably clear Smart Hiring; a candidate targeting Smart Hiring does not need NQT Foundation depth.

What minimum score should I target in each section? TCS does not publish cut-offs. Based on patterns: 18+/26 in Numerical, 21+/30 in Reasoning, 17+/24 in Verbal is competitive. Scoring higher in your strong sections compensates for lower scores in weaker ones, as the primary evaluation appears to be aggregate performance.

My mathematical foundation from school is weak. Can I still prepare adequately? Yes, with 3-4 weeks of focused preparation. The Smart Hiring Numerical section tests Class 10 level mathematics - percentages, ratios, time/work, basic geometry. These concepts can be learned and applied within 3 weeks. The challenge is speed, which comes from timed practice. Start with the formula sheet, practice 15-20 problems per topic, then shift to timed drills.

Is there any difference between Smart profile and Ignite profile in the aptitude test? The aptitude test format is the same. The Ignite profile additionally requires the optional coding section or may have different cutoff standards. Confirm the specific requirements from your drive notification.

What is the best single investment of preparation time for Smart Hiring? Percentages and Profit/Loss together. These two topics account for approximately 5-8 of the 26 Numerical questions. A candidate who can solve any percentage or profit/loss problem in under 60 seconds has secured a strong foundation for the highest-frequency topic cluster in the entire test.


Building Your Exam Confidence

Confidence in an aptitude test is not about knowing everything - it is about having a reliable process for everything. After completing this 3-week preparation plan, you will have:

  • A formula sheet you can recite from memory
  • A solving technique for every question type you will encounter
  • Speed built through timed practice at or above exam pace
  • An error pattern profile from mock tests that tells you exactly where you are strong and where you need a last-day review

A candidate who has practised every Numerical topic under 92 seconds per question, drawn every reasoning diagram, and applied the question-first technique for RC, walks into the Smart Hiring test with something that no amount of conceptual knowledge alone provides: familiarity with the exam conditions.

That familiarity is what turns preparation into performance. The preparation is mapped out in this guide. Execute it consistently over three weeks, and the Smart Hiring aptitude sections will be a competitive strength, not a source of anxiety.

The opportunity is real. The test is fair. The preparation is systematic. Start with Day 1 of the plan, and let the process build the confidence you need.


Extended Numerical Practice: Topic-Wise Problem Sets

Percentages Extended (6 Problems)

P1: Population of a town is 2,40,000. It increases by 5% in first year and decreases by 2% in second year. Final population? Net multiplier = 1.05 x 0.98 = 1.029. Final = 2,40,000 x 1.029 = 2,46,960.

P2: A’s income is 25% more than B’s. B’s income is what percent less than A’s? If B=100, A=125. B is less than A by 25/125 x 100 = 20%. Formula: If X is r% more than Y, Y is r/(100+r) x 100 less than X. Here: 25/125 x 100 = 20%.

P3: Price increased by 20% then decreased by 20%. Net change? Net = 20 + (-20) + (20 x -20)/100 = 0 - 4 = 4% decrease.

P4: In a class, 40% students passed in Maths, 50% in Science, 30% in both. What % failed in both? Failed in Maths = 60%, failed in Science = 50%. Passed in Maths or Science = 40 + 50 - 30 = 60%. Failed in both = 100 - 60 = 40%.

P5: An article costs Rs. 500. After 20% markup and 10% discount, find the profit%. Net = 20 - 10 - (20x10)/100 = 10 - 2 = 8% profit.

P6: After successive discounts of 20% and 15%, what single discount is equivalent? Combined = 20 + 15 - (20x15)/100 = 35 - 3 = 32% equivalent single discount.

Ratio and Proportion Extended (5 Problems)

P7: 80 litres mixture has milk:water = 3:1. How much water to add to make ratio 2:3? Milk = 60 litres, water = 20 litres. New ratio milk:water = 2:3. Milk stays 60. New water = 60 x 3/2 = 90. Water to add = 90 - 20 = 70 litres.

P8: A, B, C invest Rs. 20,000, Rs. 30,000, Rs. 50,000 for a year. Total profit Rs. 36,000. Find C’s share. Ratio = 2:3:5. C’s share = 5/10 x 36,000 = Rs. 18,000.

P9: If a:b = 2:3 and b:c = 4:5, find a:b:c. a:b = 8:12, b:c = 12:15. a:b:c = 8:12:15.

P10: Three numbers in ratio 3:4:5 have their sum as 144. Find the largest number. Total parts = 12. Largest = 5/12 x 144 = 60.

P11 (alligation): Tea at Rs. 80/kg and Rs. 120/kg blended. Cost of blend = Rs. 96/kg. Ratio? (120-96):(96-80) = 24:16 = 3:2. (3 parts Rs. 80 tea to 2 parts Rs. 120 tea.)

Time and Work Extended (5 Problems)

P12: 12 workers finish in 18 days. How many workers to finish in 12 days? Work = 12 x 18 = 216. Workers needed = 216/12 = 18 workers.

P13: A can finish in 20 days, B in 30 days. They start together. After 6 days, A leaves. How many more days for B to finish alone? Work done in 6 days = 6 x (1/20 + 1/30) = 6 x 5/60 = 1/2. Remaining = 1/2. B’s rate = 1/30. Days = (1/2)/(1/30) = 15 more days.

P14: Pipe A fills in 8 hours, B fills in 12 hours, C drains in 6 hours. All open. Time to fill? Net rate = 1/8 + 1/12 - 1/6 = 3/24 + 2/24 - 4/24 = 1/24. Time = 24 hours.

P15: 10 men or 15 women can do a job in 6 days. 8 men and 10 women take how many days? 10 men = 15 women, so 1 man = 1.5 women. 8 men = 12 women equivalent. 8 men + 10 women = 22 women equivalent. 15 women take 6 days. 22 women take 15 x 6 / 22 = 90/22 ≈ 4.09 days.

P16: A does 2/5 of a job in 6 days. B finishes the rest in 4 days. Together, how long for the whole job? A’s rate: 2/5 in 6 days = 1/15 per day. B finishes 3/5 in 4 days = 3/20 per day. Together = 1/15 + 3/20 = 4/60 + 9/60 = 13/60. Time = 60/13 ≈ 4.6 days.


Extended Reasoning Practice

Advanced Coding-Decoding

Reverse alphabet coding: Z=A, Y=B, X=C… (letter at position n codes to letter at position 27-n). If A=Z, B=Y, C=X: Code for HELP? H(8) codes to position 27-8=19=S. E(5) to 22=V. L(12) to 15=O. P(16) to 11=K. Code = SVOK.

Number code: Letters coded as their position squared mod 10 (units digit of position squared). A(1)=1, B(2)=4, C(3)=9, D(4)=6(16%10), E(5)=5(25%10), F(6)=6(36%10). Code for FACE: F=6, A=1, C=9, E=5. Code = 6195.

Advanced Series

Interleaved: 3, 7, 6, 14, 12, 28, 24, ? Odd positions: 3, 6, 12, 24 (x2 each). Even positions: 7, 14, 28 (x2 each). Next is position 8 (even): 28 x 2 = 56.

Mixed operations: 2, 3, 10, 11, 36, 37, ? Pattern: x3, +1, x3, +3, x1, x3? Let me check: 2x3=6… no. Try: 2+1=3, 3x… differences: 1, 7, 1, 25, 1. Second pair differences: 6, 18… ratios: 1/7… Actually: 2, 3 (+1). 3, 10 (x3+1? 3x3=9, +1=10). 10, 11 (+1). 11, 36 (x3+3? 11x3=33, +3=36). 36, 37 (+1). 37, ? (x3+5? 37x3=111, +5=116? or pattern is: +1, then x3+pattern changes).

This type with complex compound pattern appears rarely at Smart level. Focus on AP/GP and basic square/cube series.

Extended Syllogism Practice

Three-statement problem: Statements: All cats are animals. All animals are living beings. Some living beings are plants. Conclusions: (I) All cats are living beings. (II) Some plants are animals. (III) Some living beings are cats.

Venn: cats within animals within living beings. Plants partially overlap living beings. (I): cats within living beings (transitive from cats within animals within living beings). FOLLOWS. (II): plants overlap living beings, but this overlap might not include the animals subset. DOES NOT FOLLOW (uncertain). (III): Since cats are within living beings, some living beings are cats. FOLLOWS.

Answer: Conclusions I and III follow.

Direction Sense: Complex Multi-Turn

Problem: Starting from point P, Ravi walks 10 km South. Turns left, walks 6 km. Turns left, walks 5 km. Turns right, walks 4 km. Where is he relative to P?

Starting at P, facing South:

  1. South 10 km: at point A (10 km South of P).
  2. Turn left (now facing East): walk 6 km: at point B (6 km East of A).
  3. Turn left (now facing North): walk 5 km: at point C (5 km North of B = 5 km North of A).
  4. Turn right (now facing East): walk 4 km: at point D (4 km East of C).

Net position from P: North-South: 10 South + 5 North = 5 South of P. East-West: 6 East + 4 East = 10 East of P.

He is 5 km South and 10 km East of P. Straight-line distance = sqrt(5^2+10^2) = sqrt(125) = 5sqrt(5) ≈ 11.18 km in South-East direction.


Smart Hiring vs NQT: Side-by-Side Comparison

Understanding the differences helps calibrate preparation correctly.

Feature Smart Hiring NQT Foundation
Numerical questions 26 questions, 40 min 25 questions, 25 min
Concept difficulty Class 10-11 level Class 11-12 level
Topic complexity Standard applications Multi-step, with traps
Time pressure 92 sec/Q 60 sec/Q
Negative marking None Yes (1/3)
Coding section Optional (Ignite) Mandatory (1 problem)
Advanced sections No Yes (for Digital)
Candidate pool BCA, B.Sc B.Tech, B.E, M.Tech

Key insight: Smart Hiring’s longer time per question (92 vs 60 seconds) is partially offset by easier problems, but the absence of negative marking is a significant difference. In Smart Hiring, you should attempt all 80 questions even when uncertain. In NQT, uncertain guesses may cost marks. The Smart Hiring strategy is more aggressive - never leave a blank.


Building Numerical Speed: The Multiplication Shortcuts

Smart Hiring candidates who build fast multiplication save 10-15 seconds per calculation-heavy question.

Multiply by 25

Multiply by 100, divide by 4: 48 x 25 = 4800/4 = 1,200. Faster than 48 x 25 long multiplication.

Multiply by 125

Multiply by 1000, divide by 8: 24 x 125 = 24000/8 = 3,000.

Square numbers ending in 5

(a5)^2 = a(a+1) then 25. 75^2 = 7x8 = 56, append 25 = 5,625. 65^2 = 6x7 = 42, append 25 = 4,225. 35^2 = 3x4 = 12, append 25 = 1,225.

Squaring near 50

(50+n)^2 = 2500 + 100n + n^2. 53^2 = 2500 + 300 + 9 = 2,809. 47^2 = 2500 - 300 + 9 = 2,209.

The 10% method for all percentage calculations

Always start with 10%. Build from there. 17% of 350: 10%=35, 5%=17.5, 2%=7. 17% = 35+17.5-7+… Actually: 17% = 10% + 7% = 35 + 7%of350. 7% = 7x3.5 = 24.5. 17% = 35+24.5 = 59.5.

Alternative: 17% of 350 = 17 x 3.5 = 59.5. (Move decimal in 350 by one place to get 3.5 = 1% of 350.)


Additional Practice: 15 Mixed Smart Hiring Problems

M1: 40% of 320 + 60% of 150 = ? 128 + 90 = 218.

M2: A shopkeeper allows 20% discount and still makes 10% profit. Marked price to cost price ratio? SP = 0.80 x MP. SP = 1.10 x CP. So 0.80 MP = 1.10 CP. MP/CP = 1.10/0.80 = 11:8.

M3: A:B = 3:5. If A = 42, find B. B = (5/3) x 42 = 70.

M4: Average of first 50 natural numbers? Sum = 50 x 51 / 2 = 1275. Average = 1275/50 = 25.5.

M5: Speed 60 km/h. Convert to m/s. 60 x 5/18 = 50/3 m/s ≈ 16.67 m/s.

M6: Find x if x% of 250 = 30. x/100 x 250 = 30. x = 30 x 100/250 = 12.

M7 (coding-decoding): If EARTH is coded as GCTVJ, what is the pattern? E+2=G, A+2=C, R+2=T, T+2=V, H+2=J. Uniform +2. Code for CLOUD: C+2=E, L+2=N, O+2=Q, U+2=W, D+2=F. Answer: ENQWF.

M8 (series): Find missing: 3, 8, ?, 24, 35, 48. Differences: 5, ?, 11, 11, 13. Hmm, let me recheck: 3,8,?,24,35,48. 8-3=5, 24-?=?, 35-24=11, 48-35=13. Differences between differences: should be +2 each. 5,7,9,11,13 (odd numbers). So next difference after 5 is 7. Missing term = 8+7 = 15.

M9 (analogy): FLOW:WOLF::TRAP:? FLOW reversed is WOLF. TRAP reversed is PART.

M10 (direction): From A, walk 6 km North, 8 km East. Shortest distance from A? sqrt(6^2+8^2) = sqrt(100) = 10 km.

M11: Diameter of circle = 14cm. Area of semicircle? (pi=22/7) r=7. Full area = (22/7) x 49 = 154. Semicircle = 154/2 = 77 cm^2.

M12: 5 consecutive even numbers. Sum = 80. Smallest? If x, x+2, x+4, x+6, x+8: sum = 5x+20=80. 5x=60. x=12. Smallest = 12.

M13 (reasoning): P, Q, R, S, T are sitting in a circle. P is between T and S. Q is to the right of T. R is between S and Q. Who is to the left of R? Going clockwise: … T - P - S - R - Q and back to T (in a 5-person circle). R is between S and Q. Left of R (counter-clockwise) = S.

M14 (syllogism): No dog is a cat. All cats are animals. Can we conclude: No dog is an animal? Dogs and cats have no overlap. Cats are within animals. But dogs might independently be animals. Does NOT follow - we cannot conclude no dog is an animal.

M15: A number when increased by 20% becomes 84. The number? 1.20 x N = 84. N = 84/1.20 = 70.


Final Checklist: Smart Hiring Test Readiness

Numerical:

  • Can calculate 10% of any 3-4 digit number in 5 seconds
  • Know the fraction-percentage equivalents table (12.5% through 87.5%)
  • Can apply the markup-discount combined formula without writing it down
  • Know the two-worker time formula: ab/(a+b)
  • Can convert km/h to m/s without thinking: multiply by 5/18
  • Know the Pythagorean triples: 3-4-5, 5-12-13, 8-15-17

Reasoning:

  • Always draw the diagram for seating, blood relation, and direction problems
  • Know the Venn diagram interpretation for all 4 syllogism statement types
  • Can identify AP/GP/square series patterns within 15 seconds
  • Can decode a uniform-shift coding problem in under 40 seconds

Verbal:

  • Can apply the question-first technique for RC without forgetting questions
  • Know the 5 most common error types in error spotting
  • Have reviewed 30 vocabulary words from this guide

Logistics:

  • Admit card printed
  • ID document prepared
  • Test time and venue confirmed
  • Plan to arrive 30 minutes early

Mindset:

  • Know that Smart Hiring is designed for science graduates, not a test designed against them
  • Have practised under timed conditions at least 3 times
  • Have identified and targeted the 2 weakest specific topics for final-day review
  • Plan for 8 hours of sleep before the test

The Smart Hiring test is accessible to any BCA or B.Sc candidate who prepares systematically. The concepts are within your educational background. The speed comes from practice. The confidence comes from familiarity. The preparation framework in this guide delivers all three.


Understanding Each Numerical Topic in Depth

Why Smart Hiring Numerical Is Different From College Maths

University mathematics for B.Sc students involves proofs, theorems, and abstract reasoning. Smart Hiring Numerical is applied arithmetic - the same concepts used daily in business and commerce. A B.Sc Mathematics student who has proved theorems about limits and derivatives may find themselves recalibrating to simpler, faster calculations. The adjustment is psychological as much as mathematical: this level of mathematics does not require careful derivation. It requires instant recall and quick execution.

This recalibration happens naturally within the first week of targeted practice. Once you solve 20 percentage problems in a row under 60-second timing, the pace becomes natural.

Number System: The Competitive Exam Extensions

Beyond divisibility rules, competitive aptitude exams test three number system extensions that Smart Hiring includes:

Remainders: Finding the remainder when a large number is divided by another. Method: Use modular arithmetic. The remainder of 7^100 divided by 5: Powers of 7 mod 5: 7^1=2, 7^2=4, 7^3=3, 7^4=1, 7^5=2… cycle of 4. 100 mod 4 = 0 (exact multiple). Use 7^4 position in cycle = 1. Remainder = 1.

Factors of a number: n = p1^a x p2^b x … Number of factors = (a+1)(b+1)… Factors of 360: 360 = 2^3 x 3^2 x 5. Factors = (3+1)(2+1)(1+1) = 4x3x2 = 24.

Sum of factors: ((p1^(a+1)-1)/(p1-1)) x ((p2^(b+1)-1)/(p2-1)) x … Sum of factors of 12 = 12 = 2^2 x 3. Sum = (1+2+4)(1+3) = 7x4 = 28. Verify: 1+2+3+4+6+12=28. ✓

Averages: The Weighted Average Extension

When two groups with different averages are combined, the combined average depends on the sizes of the groups.

Problem: Group A has 30 students with average mark 75. Group B has 20 students with average mark 80. Combined average? Combined = (30x75 + 20x80)/(30+20) = (2250+1600)/50 = 3850/50 = 77.

Note: The combined average is NOT (75+80)/2 = 77.5 unless the groups are the same size. Weighted average accounts for group sizes.

The alligation for averages: The combined average lies closer to the larger group’s average. Here, group A (30 students, average 75) is larger, so combined average (77) is closer to 75 than to 80.

Time and Work: The Chain Rule

When the question involves “men” and “women” with different efficiencies:

Problem: 6 men or 10 women can complete a job in 12 days. How long for 4 men and 5 women together?

6 men = 10 women (same work capacity). 1 man = 10/6 = 5/3 women. 4 men = 4 x 5/3 = 20/3 women. 4 men + 5 women = 20/3 + 5 = 35/3 women. 10 women take 12 days. (35/3) women take 10 x 12 / (35/3) = 120 x 3/35 = 360/35 = 72/7 days ≈ 10.29 days.

Geometry: The Pythagorean Triple Shortcut

Memorising common Pythagorean triples eliminates the need to compute hypotenuses:

Legs Hypotenuse
3, 4 5
5, 12 13
8, 15 17
7, 24 25
9, 40 41
6, 8 10 (multiple of 3-4-5)
12, 16 20 (multiple of 3-4-5)

When a geometry problem gives legs 8 and 15, instantly know the hypotenuse is 17 - no calculation needed.


Extended Verbal Ability Practice

Reading Comprehension: The Passage Types

Smart Hiring RC passages come from four main source types:

Scientific/Technology passages: Describe a phenomenon, process, or innovation. Questions focus on main idea, specific facts, and cause-effect relationships. Tone is usually neutral or informative.

Social/Economic passages: Discuss trends, policies, or social phenomena. Questions include inference and tone. Author may have a clear position.

Business/Management passages: Cover leadership, organisational behaviour, or strategic decisions. Questions include vocabulary in context and main argument.

Environmental/Nature passages: Describe ecosystems, environmental challenges, or natural processes. Scientific vocabulary appears frequently.

Passage preparation: Read one article per day from each category during your preparation period. This builds vocabulary familiarity and RC speed across all passage types that appear in Smart Hiring.

Error Spotting: The Grammar Reference

Subject-verb agreement with tricky subjects:

  • “The news is good” (news is singular despite -s ending)
  • “The committee has decided” (collective noun = singular in formal English)
  • “Neither John nor his friends are coming” (subject nearest to verb determines agreement when using neither…nor)
  • “Each of the students has completed” (each = singular)
  • “A number of students are absent” (a number of = plural; the number of = singular)

Tense sequence rules:

  • Past perfect for earlier action, simple past for later action: “She had left before he arrived.”
  • Present perfect for recent action with present relevance: “She has just arrived.”
  • Simple past for completed past action: “She arrived yesterday.”

Preposition errors (frequently tested):

  • Good at (skill): She is good at mathematics.
  • Consist of (not “consist with”): The team consists of five members.
  • Differ from (not “differ with” for comparison): This differs from the original.
  • Conform to (not “conform with” usually): The design conforms to the specification.

Sentence Completion: Context Direction Strategy

Five context direction cues:

  1. Contrast words (but, however, despite, although, yet, while): The blank needs the opposite direction from what precedes/follows. “Although she was tired, she worked with great __.” Contrast to tired = energetically/diligently. Answer likely: enthusiasm or dedication.

  2. Cause-effect words (therefore, hence, consequently, as a result): The blank follows logically. “The project was poorly planned; consequently, it __.” Result of poor planning = failure/delay. Answer: failed or was delayed.

  3. Addition words (moreover, furthermore, also, in addition): The blank continues in the same direction. “The policy was efficient and furthermore __.” Continuing positive: cost-effective or popular.

  4. Comparison words (similarly, likewise, in the same way): Parallel structure. “Just as the East team succeeded, the West team __.” Parallel action: also succeeded or achieved similar results.

  5. Concession words (even though, though, while admitting): Complex direction - acknowledge then contradict. “While admitting the plan’s weaknesses, the manager __ its strengths.” Acknowledging weakness then focusing on strength: emphasised or highlighted.


The Smart Hiring Verbal Edge: Reading as Practice

The most efficient Verbal preparation for Smart Hiring is not doing hundreds of practice questions - it is reading quality English every day. Reading builds:

Vocabulary in context: You encounter words in sentences that reveal their meaning, which is more durable than memorising definitions.

RC comprehension speed: Regular reading builds the ability to extract main arguments and identify author tone quickly.

Error recognition: Reading well-written English trains your ear for grammatical correctness. Incorrect sentences start to sound wrong instinctively.

What to read:

  • One newspaper editorial per day (The Hindu, Indian Express, or any quality English newspaper)
  • One science article per week (Scientific American, BBC Science, or similar)
  • Business article or report every few days

The key is reading actively - after each article, try to summarise the main argument in one sentence and identify the author’s tone. This active reading converts passive exposure into exam-ready skills.


Mental Endurance: Preparing for 120 Minutes

The Smart Hiring test runs for 120 minutes (40+50+30). Most candidates have practised individual sections but not the full 120-minute sequence. Mental endurance matters because:

  • Concentration naturally degrades after 60-75 minutes of intensive cognitive work
  • The Verbal section is last and receives the most tired attention
  • Rushing through Verbal due to accumulated fatigue causes errors on questions that would be straightforward with fresh attention

Building endurance:

In Week 3 of the preparation plan, take the three sections back-to-back without breaks at least twice. This is not the most comfortable practice session, but it is the most accurate simulation of the actual exam experience. The first time you do this, you will likely notice a drop in Verbal performance compared to doing it fresh. The second time, the drop should be smaller. By exam day, the 120-minute sequence should feel familiar rather than draining.

Energy management on exam day:

  • Eat a normal, non-heavy meal before the exam. Heavy food causes lethargy.
  • Hydrate. Dehydration impairs concentration measurably.
  • Take a short bathroom break between sections if permitted (check exam rules).
  • In the Verbal section (last), remind yourself actively to read slowly and carefully. Fatigue-induced rushing is the most common last-section error pattern.

Answering Every Question: The No-Negative-Marking Strategy

The absence of negative marking in Smart Hiring is a strategic gift that many candidates do not fully utilise. In NQT, guessing when uncertain carries risk. In Smart Hiring, it carries no downside.

The correct Smart Hiring strategy:

  • If you can narrow to 2 options: guess immediately, move on. 50% chance of a mark is infinitely better than 0%.
  • If you have no idea: guess option C (or the middle option of 4). This is not superstition - it is acknowledging that any guess has positive expected value with no negative marking.
  • If time is running out: go through unanswered questions and mark any answer instantly. Even 10 random guesses on 10 remaining questions in 30 seconds are worth doing.

The goal is 80 answered questions. Every blank is a guaranteed zero. Every guess is a chance at a mark. With no penalty, the strategy is always: attempt everything.


Smart Hiring Preparation: The B.Sc Stream-Specific Investment Guide

For B.Sc Mathematics Students

Your strengths: Sequences, series, number theory, probability. You have formal training in topics that appear on the test. Your gaps: Speed. University mathematics is exact and careful; competitive aptitude requires fast approximation. Investment: 70% of preparation time on speed techniques and timed practice. 30% on covering exam-specific topic types (profit/loss, train problems) that may not have featured in your academic curriculum.

For B.Sc Physics Students

Your strengths: Dimensional analysis maps to ratio/proportion; numerical problem-solving in practicals maps to TSD and percentages. Your gaps: Profit/Loss and Averages (less prominent in physics curriculum). Investment: Focus on Profit/Loss and Averages in Week 1. Leverage your existing numerical confidence in other topics.

For B.Sc Chemistry Students

Your strengths: Molarity, concentration, and mixture problems in chemistry map directly to alligation/mixture problems. Your gaps: Coding-Decoding and Seating Arrangements (no curriculum overlap). Investment: 2 days specifically on Coding-Decoding and 2 days on arrangement drawing technique. Your other quantitative topics are well-covered by your academic background.

For BCA Students

Your strengths: Logical reasoning from programming, basic data structures knowledge that helps in reasoning types, some exposure to number systems in computer architecture coursework. Your gaps: Advanced Profit/Loss variants, Geometry (may not have been in BCA curriculum). Investment: 3 days on Profit/Loss including the markup-discount formula. 2 days on Geometry with a focus on formulae memorisation.

For B.Sc CS/IT Students

Your strengths: Closest background to NQT candidates. Programming logic, algorithmic thinking, and basic mathematics are all present. Your gaps: Aptitude question framing. Academic CS problems are different from aptitude-style word problems. Investment: 1 week specifically on aptitude question types and solving approaches. Your technical foundation is strong - the adaptation needed is to the aptitude problem format, not to the underlying concepts.


Frequently Asked Questions: Extended

What is the Smart Hiring selection process after the aptitude test? After the written test, shortlisted candidates proceed to a Technical Interview (covering basic programming, computer fundamentals, and general aptitude) and then an HR Interview. The Technical Interview at Smart Hiring level is less rigorous than the Digital Technical Interview - it focuses on programming basics, computer science fundamentals (data structures at conceptual level), and your science/BCA academic background.

Do I need to know programming for the Smart profile (not Ignite)? For the standard Smart profile leading to the Science to Software program, basic programming familiarity is expected but not at the level required for Ninja or Digital. The extended ILP (6 months for Smart Hiring vs 2.5 months for engineering hires) covers programming from a foundational level. You need enough programming awareness for the Technical Interview, not for the aptitude test.

How soon after the test do I get results? Result timelines vary by drive cycle, typically 1-3 weeks for shortlisting decisions. Check your Next Step dashboard and email actively during this period.

Is the Smart Hiring aptitude test adaptive (difficulty changes based on performance)? No. Smart Hiring uses a fixed test paper for all candidates in a drive. There is no adaptive difficulty adjustment.

Can I apply for both Smart Hiring and NQT (if I hold a qualifying degree for both)? Some BCA and B.Sc CS graduates may qualify for both Smart Hiring (for their specific degree stream) and NQT (if their stream is included in NQT eligibility). Check the specific drive notification for eligibility inclusions. If you qualify for NQT, the higher-profile outcomes (Ninja, potentially Digital) may warrant prioritising that route. Consult the TCS Eligibility article in this series for the complete eligibility comparison.

What score do I need in the Verbal section if I’m very weak in English? A score below 50% in any section raises flags even if the overall score is acceptable. Aim for at least 15/24 (62.5%) in Verbal even if it is your weakest section. The preparation in this guide - specifically the daily reading practice and the grammar rule review - can produce meaningful improvement in 3 weeks.


The Complete Smart Hiring Mental Model

As you approach your Smart Hiring test, the mental model to carry is this:

This test is measuring whether you have the aptitude to succeed in a technology career that begins with structured training. It is not measuring whether you already know technology - that is what the ILP is for. It is asking: can you process quantitative information accurately and quickly? Can you reason logically through structured problems? Can you communicate clearly in English?

These three things - quantitative processing, logical reasoning, and English communication - are exactly what your B.Sc or BCA education develops. The test is designed to reveal those capabilities, not to trick you or disadvantage you.

Your preparation has been systematic. Your three weeks of daily practice have built the speed that transforms capability into performance. Your mock tests have revealed where you are strong and where you have room to grow. Your formula sheet review has kept the key shortcuts fresh.

Walk into the test knowing that you have done the preparation. Attempt every question - no blanks. Apply the triage approach (fastest questions first in each section). Draw every diagram. Trust the techniques you have practised.

The Smart Hiring opportunity is real and substantial: a structured path into one of the world’s most recognised technology companies, with a training programme designed specifically for your background, and a career trajectory that builds from your strengths. The aptitude test is the first door. You have prepared to open it.


Common Mistakes Smart Hiring Candidates Make

Mistake 1: Treating “Simple” as “No Preparation Required”

The most damaging mistake. Candidates read “simple to moderate difficulty” and invest 2-3 days preparing. They arrive at the test surprised by the pace. A 92-second-per-question Numerical section with no negative marking still requires systematic preparation for anyone who has not recently practiced aptitude questions under timing. The difficulty is moderate; the time pressure is real.

Prevention: Treat Smart Hiring preparation with the same seriousness as NQT preparation, but calibrate the depth appropriately. Three weeks of focused work is sufficient because the concepts are accessible. But those three weeks must include timed practice - reading this guide without timing yourself does not build the speed required.

Mistake 2: Skipping the Formula Sheet

Candidates who know concepts often skip formula memorisation because “I can derive it if needed.” Deriving during a 92-second window costs 20-30 seconds, leaving 60-70 seconds for a calculation that should take 45. The formula sheet items in this guide are the 15 formulae worth memorising by heart - not deriving, not looking up, but instant recall.

Prevention: Write the formula sheet from memory every evening for the first week. By Day 5, the recall is automatic.

Mistake 3: Never Drawing Diagrams in Reasoning

Smart Hiring reasoning problems look simpler than NQT problems. Candidates attempt to solve 4-person arrangements mentally because “only 4 people, I can track it.” Mental tracking on a timed test produces errors. The diagram takes 30 seconds to draw and saves 60 seconds of rework when the mental model breaks down.

Prevention: Make the rule absolute: every arrangement problem and every direction problem gets a drawn diagram, no exceptions. Practice the habit in every practice session.

Mistake 4: Leaving Blanks

With no negative marking, blank answers are pure waste. A random guess has positive expected value (25% chance of a mark). A blank has zero expected value. In a 75-question test with 10 blanks at the end, 10 random guesses add an expected 2.5 marks. That is the difference between borderline and comfortable.

Prevention: Build the “always guess” habit during practice. Never leave a practice answer blank - mark your best guess, even if it is random, and note which questions you guessed on. Analyse those questions in review.

Mistake 5: Reading RC Passages in Full Before Questions

Candidates trained on academic reading instinctively read passages completely before looking at questions. For a 250-word RC passage with 5 questions, this wastes 90 seconds reading content that may not be tested. The question-first technique saves 60-90 seconds per passage - enough time to attempt 1-2 additional questions in other sections.

Prevention: Practise the question-first technique on every RC exercise during preparation. It feels unnatural for the first 5-7 passages but becomes the faster approach by practice session 10.


Numerical Ability: Extended Problem Types

Percentage Problems: The “Multiplied Value” Category

These problems give you a percentage-changed value and ask for the original or a different changed value.

Problem Type 1: “If 40% of a number is 240, what is 60% of that number?” 40% = 240, so 1% = 6, so 60% = 360. Shortcut: (240/40) x 60 = 360. Direct proportion.

Problem Type 2: “A is 20% more than B. B is what percent less than A?” A = 1.2B. B = A/1.2 = 5A/6. B is less than A by A - 5A/6 = A/6 = (1/6) of A. (1/6) x 100 = 16.67% less. Formula: r/(100+r) x 100. Here: 20/120 x 100 = 16.67%.

Problem Type 3: “A number is increased by 25% and then decreased by 25%. Net change?” Net = 25 + (-25) + (25 x -25)/100 = 0 - 625/100 = -6.25% (decrease).

Profit and Loss: The Dishonest Dealer Problem

A shopkeeper uses a false weight (claims to give 1 kg but actually gives less).

Problem: A shopkeeper uses 900g instead of 1 kg. Find profit%. He gives 900g but charges for 1000g. CP of 900g = 900 units. SP = 1000 units. Profit% = (1000-900)/900 x 100 = 100/900 x 100 = 11.11%.

Formula: Profit% = (Error / True value - Error) x 100 = (100/900) x 100 = 11.11%.

Time and Work: The Efficiency Ratio Problem

Problem: A is twice as efficient as B. Together they finish in 12 days. How long does A alone take? A’s efficiency = 2 x B’s efficiency. Combined rate = 3 units. Combined time = 12 days. Combined work = 36 units. A alone: 36 units / 2 = 18 days. B alone: 36 units / 1 = 36 days. Verify: 1/18 + 1/36 = 2/36 + 1/36 = 3/36 = 1/12. ✓

Geometry: Area and Volume in Combined Problems

Problem: A metal cube of side 4 cm is melted and recast into a cylinder of radius 2 cm. Height of the cylinder? Volume of cube = 4^3 = 64 cm^3. Volume of cylinder = pi x r^2 x h = (22/7) x 4 x h. 64 = (88/7) x h. h = 64 x 7/88 = 448/88 = 56/11 cm ≈ 5.09 cm.


Verbal Ability: Error Spotting Extended Examples

The 10 Most Common Error Patterns at Smart Hiring Level

Pattern 1 - Redundancy: “Return back”, “advance forward”, “free gift” - the second word is implied by the first. Error: redundant second word.

Pattern 2 - Double negative: “I didn’t say nothing” = “I said something” (two negatives = positive). Correct: “I didn’t say anything.”

Pattern 3 - Comparative errors: “more better” (should be “better”), “most tallest” (should be “tallest”), “more preferable” (should be “preferable” - already implies comparison).

Pattern 4 - Dangling modifier: “Walking to school, the rain started.” The rain was not walking to school - the subject doing the walking is missing. Correct: “Walking to school, I got caught in the rain.”

Pattern 5 - Wrong article before abbreviations: Use “a” or “an” based on the pronunciation of the first letter of the abbreviation. “An MBA” (M sounds like ‘em’, a vowel sound). “A CEO” (C sounds like ‘see’, a consonant sound). “An NDA” (N sounds like ‘en’, vowel sound).

Pattern 6 - Amount/number confusion: “Amount” for uncountable nouns. “Number” for countable nouns. “A large amount of students” is wrong - should be “a large number of students.”

Pattern 7 - Less/fewer confusion: “Fewer” for countable nouns. “Less” for uncountable. “Less students” is wrong - should be “fewer students.” “Less water” is correct (water is uncountable).

Pattern 8 - Misplaced “only”: “Only I gave him Rs. 100” (I alone gave it). “I only gave him Rs. 100” (I just gave, nothing more). “I gave him only Rs. 100” (the amount was only 100). Position matters.

Pattern 9 - Parallel structure: “She likes reading, to write, and going for walks” - inconsistent forms. Correct: “She likes reading, writing, and going for walks” (all gerunds) OR “She likes to read, to write, and to go for walks” (all infinitives).

Pattern 10 - Incorrect use of “since/for”: “Since” is for a starting point in time. “For” is for a duration. “I have lived here since five years” is wrong - should be “for five years.” “I have lived here since 2019” is correct.


Final Performance Tips

The 5-Second Rule for Difficult Questions

When a question has consumed 60 seconds and no clear answer path has emerged, apply the 5-second rule: spend exactly 5 more seconds trying the elimination approach (what can I rule out?). If you can eliminate 1-2 options, mark your best guess. If you cannot eliminate anything, mark any option (still positive expected value with no negative marking) and move on. The question has already received more than its 92-second budget.

Reviewing Answers in the Final 5 Minutes

Reserve 3-5 minutes at the end of each section for review. Specifically:

  • Questions you marked with uncertainty during solving
  • Questions where the answer feels “off” on re-read
  • Any blanks (in Smart Hiring there should be none)

Do not re-examine questions you were confident about. Changing a confident correct answer to a wrong one is one of the most frustrating exam errors. Trust confident answers and focus review energy on uncertain ones.

The Mindset Entering Each Section

Before Numerical: “I know the formulae. I know the speed techniques. My first action in every problem is to identify the topic.”

Before Reasoning: “I will draw every diagram. I will not try to hold arrangements in my head. The diagram is the answer.”

Before Verbal: “I will read the questions before the passage. I know the 5 grammar error types. I have reviewed the vocabulary.”

These deliberate mental reminders before each section prime you for the specific habits each section requires. They take 15 seconds each and prevent the most common section-opening errors (starting Numerical without topic identification, attempting Reasoning without drawing, reading RC passages before questions).

The Smart Hiring aptitude test, prepared for systematically over three weeks using the techniques in this guide, is within the reach of every BCA and B.Sc candidate. The preparation is not about becoming someone you are not - it is about demonstrating the analytical capability you have already built through your science education, in the format and at the pace that TCS’s aptitude test uses to measure it.