Time management
- Allocate time per section: Numerical (40 min), Verbal (30 min), Reasoning (40 min)
- Don’t spend too much time on one question
- Mark difficult questions and return later
TCS Aptitude Questions
Overview
This page contains TCS aptitude questions from TCS NQT placement papers with detailed solutions. Practice TCS numerical ability questions, TCS verbal ability questions, and TCS reasoning ability questions to prepare for TCS NQT exam. Take the free mock quiz below for timed practice with scoring, then work through the solved questions.
TCS Aptitude Mock Quiz
Timed placement-style MCQs with score and explanations after you submit. Use it to check speed and accuracy before the real test.
Questions15
Time10 min
Numerical
A number is increased by 20% and then decreased by 20%. The net percentage change is:
100 → 120 → 96. Net change = 4% decrease.
Numerical
A shopkeeper marks goods 40% above cost and gives a 10% discount. Profit % is:
SP = 1.4 × 0.9 × CP = 1.26 CP → 26% profit.
Numerical
A and B can finish a work in 12 and 18 days. Together they finish in:
1/12 + 1/18 = 5/36 → 36/5 = 7.2 days.
Numerical
Average of 5 numbers is 20. If one number 25 is replaced by 15, new average is:
Sum was 100; new sum 90; average = 18.
Numerical
Simple interest on ₹5000 at 8% p.a. for 3 years is:
SI = PRT/100 = 5000×8×3/100 = ₹1200.
Verbal
Choose the synonym of "Abundant":
Abundant means plentiful or in large quantity.
Verbal
Fill in the blank: She _____ to the office every day by metro.
Third-person singular present tense takes "goes".
Verbal
Antonym of "Benevolent":
Benevolent (kind) ↔ malevolent (ill-willed).
Verbal
Identify the correctly spelled word:
Accommodate has double "c" and double "m".
Verbal
"The committee have decided": correct form is:
Collective noun "committee" as one unit takes singular "has".
Reasoning
Find the next number: 2, 6, 12, 20, 30, ?
Differences +4, +6, +8, +10, +12 → next is 42.
Reasoning
If BOOK is coded as 43, then PEN is coded as:
B+O+O+K = 2+15+15+11 = 43; P+E+N = 16+5+14 = 35.
Reasoning
All cats are dogs. Some dogs are rats. Conclusions: I. Some cats are rats. II. Some rats are dogs.
II follows from "some dogs are rats". I does not necessarily follow.
Reasoning
In a row of 40 students, A is 11th from left and B is 31st from right. How many between A and B?
B from left = 40−31+1 = 10th. A is 11th. They are adjacent → 0 between.
Reasoning
Odd one out: Square, Circle, Triangle, Cube
Cube is 3D; others are 2D shapes.
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TCS aptitude questions overview
TCS NQT Aptitude Section Breakdown:
- Numerical Ability: 20-25 questions, 40 minutes
- Verbal Ability: 20-25 questions, 30 minutes
- Reasoning Ability: 20-25 questions, 40 minutes
Total Aptitude Questions: 60-75 questions out of 90-110 total questions
Numerical ability questions
Percentage questions
Q1: A number is increased by 20% and then decreased by 20%. Find the net percentage change.
Solution:
Let the original number be 100.
After 20% increase: 100 + 20 = 120 After 20% decrease: 120 - (20% of 120) = 120 - 24 = 96
Net change = 100 - 96 = 4 Net percentage change = (4/100) × 100 = 4% decrease
Answer: 4% decrease
Profit and loss questions
Q2: A shopkeeper marks his goods 20% above cost price but allows a discount of 10%. What is his profit percentage?
Solution:
Let CP = ₹100 Marked Price (MP) = 100 + 20% of 100 = ₹120 Discount = 10% of 120 = ₹12 Selling Price (SP) = 120 - 12 = ₹108 Profit = 108 - 100 = ₹8 Profit % = (8/100) × 100 = 8%
Answer: 8%
Time and work questions
Q3: A can complete a work in 12 days, B in 15 days, and C in 20 days. If they work together, in how many days will they complete the work?
Solution:
Let total work = LCM of 12, 15, 20 = 60 units
A’s efficiency = 60/12 = 5 units/day B’s efficiency = 60/15 = 4 units/day C’s efficiency = 60/20 = 3 units/day
Combined efficiency = 5 + 4 + 3 = 12 units/day Time taken = 60/12 = 5 days
Answer: 5 days
Ratio and proportion questions
Q4: The ratio of ages of A and B is 3:5. After 8 years, the ratio becomes 5:7. Find the present age of A.
Solution:
Let present ages be 3x and 5x.
After 8 years:
- A’s age: 3x + 8
- B’s age: 5x + 8
Given: (3x + 8)/(5x + 8) = 5/7
7(3x + 8) = 5(5x + 8) 21x + 56 = 25x + 40 4x = 16 x = 4
Present age of A = 3x = 3 × 4 = 12 years
Answer: 12 years
Simple interest questions
Q5: A sum of money amounts to ₹9800 after 5 years and ₹12005 after 8 years at the same rate of simple interest. Find the rate of interest per annum.
Solution:
Let Principal = P, Rate = R%
After 5 years: P + (P × R × 5)/100 = 9800 After 8 years: P + (P × R × 8)/100 = 12005
Subtracting: (P × R × 3)/100 = 12005 - 9800 = 2205
P × R = 73500
From first equation: P + (73500 × 5)/100 = 9800 P + 3675 = 9800 P = 6125
Rate R = 73500/6125 = 12% per annum
Answer: 12% per annum
Verbal ability questions
Reading comprehension
Q6: Read the passage and answer: “Artificial Intelligence is transforming industries by automating processes and enabling data-driven decisions. However, concerns about job displacement and ethical implications remain significant.” What is the main concern mentioned?
Answer: Job displacement and ethical implications
Explanation: The passage explicitly mentions concerns about job displacement and ethical implications as significant issues related to AI.
Grammar - error spotting
Q7: Identify the error: “Neither of the students were present in the class.”
Error: “were” should be “was”
Correct Sentence: “Neither of the students was present in the class.”
Explanation: “Neither” is singular and requires singular verb “was”.
Synonyms and antonyms
Q8: Find the synonym of “Benevolent”.
Options: A) Malevolent B) Kind C) Hostile D) Cruel
Answer: B) Kind
Explanation: Benevolent means kind, generous, and well-meaning.
Reasoning ability questions
Syllogism
Q9: Statements: All cats are animals. Some animals are dogs. Conclusions: I. Some cats are dogs. II. All dogs are cats.
Solution:
Analyzing the statements:
- All cats are animals (A → B)
- Some animals are dogs (B → C, some)
Conclusion I: Some cats are dogs
- Cannot be concluded. Some animals are dogs, but cats are a subset of animals. We cannot say some cats are dogs. Invalid
Conclusion II: All dogs are cats
- This cannot be concluded. Invalid
Answer: Neither conclusion follows
Coding-decoding
Q10: If “CAT” is coded as “3120”, “DOG” is coded as “4157”, then how is “RAT” coded?
Solution:
Pattern analysis:
- C = 3, A = 1, T = 20 → “3120”
- D = 4, O = 15, G = 7 → “4157”
Pattern: Position of letter in alphabet
For “RAT”:
- R = 18
- A = 1
- T = 20
Answer: “18120”
Blood relations
Q11: Pointing to a man, a woman said, “His mother is the only daughter of my mother.” How is the woman related to the man?
Solution:
Let’s break down the statement:
- “His mother” = the man’s mother
- “only daughter of my mother” = the woman herself (since she’s the only daughter)
So: The man’s mother = the woman Therefore, the woman is the mother of the man.
Answer: Mother
Series completion
Q12: Find the next number in the series: 2, 6, 12, 20, 30, ?
Solution:
Pattern analysis:
- 2 = 1 × 2
- 6 = 2 × 3
- 12 = 3 × 4
- 20 = 4 × 5
- 30 = 5 × 6
Next term = 6 × 7 = 42
Answer: 42
Practice tips
Accuracy first
- Focus on accuracy over speed initially
- Practice regularly to improve speed
- Review mistakes to avoid repetition
Previous year papers
- Practice at least 10-15 previous year TCS NQT papers
- Understand question patterns
- Track your performance