Aptitude
Drills
Birlasoft placement papers 2025
Overview
Section titled “Overview”Birlasoft placement papers 2025. Primary filter: Birlasoft Assessment. Focus: Aptitude, coding basics, enterprise apps.
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
Sample Birlasoft Questions with Solutions
Section titled “Sample Birlasoft Questions with Solutions”Practice-style questions (not leaked live papers).
Aptitude / Reasoning
Section titled “Aptitude / Reasoning”Q1: Average of 5 numbers is 20. One number 30 replaced by 10. New average?
Answer: 16
Explanation: Sum 100 -> 80; avg 16.
Q2: A finishes in 10 days, B in 15. Together?
Answer: 6 days
Explanation: 1/10+1/15=1/6.
Q3: Probability of drawing an ace from a deck?
Answer: 1/13
Explanation: 4/52=1/13.
Q4: Pipe A fills in 6h, B in 8h. Together to fill?
Answer: 24/7 hours
Explanation: 1/6+1/8=7/24.
Q5: CP Rs.500, SP Rs.600. Profit percent?
Answer: 20%
Explanation: (100/500)*100=20%.
Q6: Find next: 2, 6, 12, 20, 30, ?
Answer: 42
Explanation: n(n+1) pattern.
Q7: 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.
Q8: 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.
Coding Practice
Section titled “Coding Practice”Coding Q1: Reverse a string in-place
Approach: Two pointers from ends.
Complexity: O(n)/O(1)
Birlasoft tip: Narrate brute force then optimize then edge cases before coding.
Coding Q2: Check prime
Approach: Trial division to sqrt(n).
Complexity: Handle n<2
Birlasoft tip: Narrate brute force then optimize then edge cases before coding.
Coding Q3: Valid parentheses
Approach: Stack matching.
Complexity: O(n)
Birlasoft tip: Narrate brute force then optimize then edge cases before coding.
Coding Q4: Two Sum
Approach: Hash map complements.
Complexity: O(n)
Birlasoft tip: Narrate brute force then optimize then edge cases before coding.
Coding Q5: Longest substring without repeat
Approach: Sliding window + last index.
Complexity: O(n)
Birlasoft tip: Narrate brute force then optimize then edge cases before coding.
Coding Q6: Merge intervals
Approach: Sort + merge.
Complexity: O(n log n)
Birlasoft tip: Narrate brute force then optimize then edge cases before coding.
Coding Q7: Top K frequent
Approach: Count + heap.
Complexity: O(n log k)
Birlasoft tip: Narrate brute force then optimize then edge cases before coding.
Coding Q8: Linked list cycle
Approach: Floyd tortoise-hare.
Complexity: O(1) space
Birlasoft tip: Narrate brute force then optimize then edge cases before coding.
Coding Q9: Level order traversal
Approach: BFS queue.
Complexity: O(n)
Birlasoft tip: Narrate brute force then optimize then edge cases before coding.
Coding Q10: Coin change min coins
Approach: DP unbounded.
Complexity: O(amount*coins)
Birlasoft tip: Narrate brute force then optimize then edge cases before coding.
Deep Prep Notes for Birlasoft
Section titled “Deep Prep Notes for Birlasoft”How the Birlasoft Assessment Usually Feels
Section titled “How the Birlasoft Assessment Usually Feels”Candidates describe a paced filter where easy marks disappear if you over-invest in one hard item. For Birlasoft, start with a three-minute scan, mark certainty levels, and protect accuracy. Languages typically include Java, SQL, Python.
Topic Weight Hints (Candidate-Reported)
Section titled “Topic Weight Hints (Candidate-Reported)”| Area | Why it matters at Birlasoft |
|---|---|
| Aptitude | Primary shortlist signal |
| Core CS (OOPs/DBMS/OS) | Technical interview depth |
| Enterprise Digital, SAP/Oracle awareness | Managerial / HR differentiation |
| Communication | Especially for consulting and client-facing GSIs |
14-Day Sprint
Section titled “14-Day Sprint”- Days 1-3: pattern familiarization + 2 sectional mocks
- Days 4-7: weak-topic closed practice
- Days 8-10: full mocks every other day
- Days 11-14: interview narration + light revision
Related
Section titled “Related”Coding
DSA
OA
Assessment
Hub
Birlasoft