Prep Guide
Plan
BigBasket aptitude questions
Overview
Section titled “Overview”Practice BigBasket aptitude questions for BigBasket OA.
BigBasket 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
Quantitative
Price rises 25%. By what % should consumption fall to keep expenditure same?
Reduction = r/(100+r)×100 = 25/125×100 = 20%.
Quantitative
If a number is increased by 20% and then decreased by 15%, what is the net change?
Correct answer: +2% increase
Quantitative
The ratio of boys to girls in a class is 3:2. If there are 30 students, how many are girls?
Correct answer: 12 girls
Reasoning
Find the next number: 6, 11, 21, 41, ?
×2−1 pattern → 81.
Verbal
A shopkeeper buys an article for ₹500 and sells it for ₹600. Find his profit percentage.
Correct answer: 20%
Verbal
Antonym of "Expand":
Expand ↔ contract.
Verbal
Problem: Choose the correct sentence: a) The data are incorrect b) The data is incorrect c) The datas are incorrect
"Data" can be singular or plural, but in modern usage, it's often treated as singular. "The data is incorrect" is more commonly accepted.
Quantitative
A person walks 5 km at 5 km/h and 10 km at 10 km/h. Average speed is:
Time = 1 h + 1 h = 2 h. Average = 15/2 = 7.5 km/h.
Reasoning
Find the next number: 3, 9, 27, 81, ?
×3 each → 243.
Quantitative
Find the HCF of 24 and 36.
Correct answer: 12
Quantitative
A number is increased by 25% and then decreased by 25%. Find the net percentage change.
Let original number = 100 After 25% increase: 100 + 25 = 125 After 25% decrease: 125 - (25% of 125) = 125 - 31.25 = 93.75 Net change = 100 - 93.75 = 6.25 Net percentage change = (6.25/100) × 100 = 6.25% decrease
Verbal
One of my friends _____ in Delhi.
One of + plural noun + singular verb.
Reasoning
Odd one out: Triangle, Square, Circle, Rectangle
Circle has no straight sides.
Reasoning
A is taller than B but shorter than C. D is shorter than B. Who is tallest?
C > A > B > D → C is tallest.
Reasoning
Find the next number: 3, 8, 15, 24, 35, ?
Pattern: Differences are 5, 7, 9, 11 (odd numbers) Next difference = 13 Next number = 35 + 13 = 48
Your score
0/15(0%)
Review
Question 1
Section titled “Question 1”A finishes in 10 days, B in 15. Together?
Answer: 6 days
Explanation: 1/10+1/15=1/6.
Question 2
Section titled “Question 2”Probability of drawing an ace from a deck?
Answer: 1/13
Explanation: 4/52=1/13.
Question 3
Section titled “Question 3”Pipe A fills in 6h, B in 8h. Together to fill?
Answer: 24/7 hours
Explanation: 1/6+1/8=7/24.
Question 4
Section titled “Question 4”CP Rs.500, SP Rs.600. Profit percent?
Answer: 20%
Explanation: (100/500)*100=20%.
Question 5
Section titled “Question 5”Find next: 2, 6, 12, 20, 30, ?
Answer: 42
Explanation: n(n+1) pattern.
Question 6
Section titled “Question 6”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 7
Section titled “Question 7”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 8
Section titled “Question 8”Simple interest on Rs.8000 at 10% for 2 years?
Answer: Rs.1600
Explanation: SI = PRT/100 = 1600.
Question 9
Section titled “Question 9”If 30% of x = 150, x = ?
Answer: 500
Explanation: 0.3x=150 => x=500.
Question 10
Section titled “Question 10”Average of 5 numbers is 20. One number 30 replaced by 10. New average?
Answer: 16
Explanation: Sum 100 -> 80; avg 16.
Extra Drill Set (BIGBASKET flavor)
Section titled “Extra Drill Set (BIGBASKET flavor)”Q17: A finishes work in 16 days, B in 20 days. Days together?
Rate = 1/16 + 1/20. Days = reciprocal of that sum.
Answer: compute exactly before the exam; practice the fraction form daily.
Q18: Price increases by 20%. Consumption reduction to keep spend constant?
Reduction % = r/(100+r)×100 with r=20.
Answer: 20/(100+20)×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
BigBasket Hub
Hub