Prep Guide
Plan
Birlasoft aptitude questions
Overview
Section titled “Overview”Practice Birlasoft aptitude questions for Birlasoft Assessment.
Birlasoft 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
Reasoning
A walks 8 km north, then 15 km east. Distance from start is:
Right triangle → 17 km.
Quantitative
Based on the given table showing monthly deposits (Jan: ₹100K, Feb: ₹120K, Mar: ₹150K), calculate the percentage increase from January to March.
Correct answer: 50% increase
Reasoning
If every letter is shifted +2 in the alphabet, CANDLE becomes:
C→E, A→C, N→P, D→F, L→N, E→G → ECPFNG.
Quantitative
A car covers 180 km in 3 hours. Average speed is:
Speed = 180/3 = 60 km/h.
Quantitative
A sum of money doubles itself in 5 years at simple interest. In how many years will it become 4 times?
Correct answer: 15 years
Reasoning
Find next number: 1, 4, 9, 16, 25, ?
Pattern: n² where n = 1, 2, 3, 4, 5... 1²=1, 2²=4, 3²=9, 4²=16, 5²=25 Next: 6² = 36
Reasoning
Statements: All birds can fly. Penguins are birds. Conclusion: Penguins can fly. Is the conclusion valid?
Correct answer: Invalid (first premise is false)
Verbal
Find synonym of "Abundant"
Correct answer: Plentiful
Reasoning
What is the value of x? Statement I: x² - 5x + 6 = 0. Statement II: x > 0.
Statement I: x² - 5x + 6 = 0 (x - 2)(x - 3) = 0 x = 2 or x = 3 Statement II: x > 0 (doesn't help narrow down) Combining both: x = 2 or x = 3 (both positive)
Quantitative
A sum of ₹8,000 amounts to ₹9,600 in 4 years at simple interest. Find the rate of interest per annum.
Principal = ₹8,000, Amount = ₹9,600 Interest = 9,600 - 8,000 = ₹1,600 SI = P × R × T / 100 1,600 = 8,000 × R × 4 / 100 R = (1,600 × 100) / (8,000 × 4) = 5%
Quantitative
Compound Interest - Yearly vs Half-Yearly
Correct answer: ₹3.93 (approximately)
Verbal
Problem: Find the antonym of "BRILLIANT": a) Bright b) Dull c) Shining d) Smart
Brilliant means very bright or intelligent, so "Dull" is the antonym.
Verbal
Find antonym of "Temporary"
Correct answer: Permanent
Verbal
Antonym of "Expand":
Expand ↔ contract.
Quantitative
If "APPLE" is coded as "1225165", how is "MANGO" coded?
Pattern: A=1, B=2, C=3... Z=26 APPLE: A=1, P=16, P=16, L=12, E=5 → 1225165 MANGO: M=13, A=1, N=14, G=7, O=15 → 13114715
Your score
0/15(0%)
Review
Question 1
Section titled “Question 1”If 30% of x = 150, x = ?
Answer: 500
Explanation: 0.3x=150 => x=500.
Question 2
Section titled “Question 2”Average of 5 numbers is 20. One number 30 replaced by 10. New average?
Answer: 16
Explanation: Sum 100 -> 80; avg 16.
Question 3
Section titled “Question 3”A finishes in 10 days, B in 15. Together?
Answer: 6 days
Explanation: 1/10+1/15=1/6.
Question 4
Section titled “Question 4”Probability of drawing an ace from a deck?
Answer: 1/13
Explanation: 4/52=1/13.
Question 5
Section titled “Question 5”Pipe A fills in 6h, B in 8h. Together to fill?
Answer: 24/7 hours
Explanation: 1/6+1/8=7/24.
Question 6
Section titled “Question 6”CP Rs.500, SP Rs.600. Profit percent?
Answer: 20%
Explanation: (100/500)*100=20%.
Question 7
Section titled “Question 7”Find next: 2, 6, 12, 20, 30, ?
Answer: 42
Explanation: n(n+1) pattern.
Question 8
Section titled “Question 8”A train 120 m long runs at 54 km/h. Time to pass a pole?
Answer: 8 seconds
Explanation: 54 km/h = 15 m/s; t = 120/15 = 8 s.
Question 9
Section titled “Question 9”Ratio of ages A:B = 4:5. After 6 years = 6:7. A present age?
Answer: 12 years
Explanation: 4x+6 / 5x+6 = 6/7 => x=3 => A=12.
Question 10
Section titled “Question 10”Simple interest on Rs.8000 at 10% for 2 years?
Answer: Rs.1600
Explanation: SI = PRT/100 = 1600.
Extra Drill Set (BIRLASOFT flavor)
Section titled “Extra Drill Set (BIRLASOFT flavor)”Q17: A finishes work in 17 days, B in 16 days. Days together?
Rate = 1/17 + 1/16. Days = reciprocal of that sum.
Answer: compute exactly before the exam; practice the fraction form daily.
Q18: Price increases by 24%. Consumption reduction to keep spend constant?
Reduction % = r/(100+r)×100 with r=24.
Answer: 24/(100+24)×100 (simplify).
Q19: Average of 7 numbers is 18. One number 24 replaced by 10. New average?
Sum 126 → 112 → average 16.
Answer: 16
Q20: SI on ₹8000 at 7.5% for 2 years?
SI = 8000×7.5×2/100 = ₹1200.
Answer: ₹1200
Q21: Synonym of “Mitigate”
Answer: Alleviate / reduce
Q22: Series: 3, 9, 27, 81, ?
Multiply by 3 → 243.
Answer: 243
Q23: If NORTH is coded as 13 (letter count? or positions), prefer position-sum drills for your mock bank.
Practice coding-decoding patterns: +1/−1, reverse, position sums.
Answer: pattern-dependent; master 4 common patterns.
Q24: All engineers are graduates. Some graduates are managers. Conclusion: some engineers are managers?
Does not follow necessarily.
Answer: Does not follow
Related
Section titled “Related”Coding
DSA
2026
Year
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