Preparation guide
Dunzo Aptitude Questions
Overview
This page has Dunzo aptitude questions with full solutions - numerical ability, verbal, and logical reasoning - in the style students report for the Dunzo Online Assessment. Start with the timed mock quiz, then work the solved set and log every miss by topic.
Dunzo 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
Statements: All pens are books. Some books are papers. Conclusion: Some pens are papers.
No definite overlap between pens and papers.
Quantitative
A train 120 m long crosses a pole in 8 s. Speed in km/h:
Speed = 120/8 = 15 m/s = 54 km/h.
Verbal
"The committee have decided": correct form is:
Collective noun "committee" as one unit takes singular "has".
Reasoning
Two trains of lengths 200m and 300m are moving in opposite directions at speeds of 50 km/hr and 40 km/hr. Find the time taken to cross each other.
Correct answer: 20 seconds
Quantitative
If the sum of the first 50 natural numbers is S, what is the value of S?
Sum of first n natural numbers = n(n + 1)/2 For n = 50: S = 50 × 51 / 2 = 1275
Verbal
The committee _____ divided on the issue.
Committee as unit → singular (also accepted are in BrE; use is).
Verbal
Fill in: The news _____ shocking.
News is singular → is.
Quantitative
If A:B = 2:3 and B:C = 4:5, find A:C.
Correct answer: 8:15
Quantitative
Find the compound interest on ₹5000 for 2 years at 10% per annum, compounded annually.
Correct answer: ₹1050
Quantitative
Simple interest on ₹5,000 at 8% p.a. for 3 years is:
SI = PRT/100 = 5000×8×3/100 = ₹1,200.
Quantitative
The average of 5 numbers is 42. If one number 32 is removed, the new average is:
Sum = 210. New sum = 178. Average = 178/4 = 44.5.
Reasoning
Find the missing number: 8, 12, 18, 26, 36, ?
Correct answer: 48
Verbal
Choose the correct form: "Neither the teacher nor the students _____ present."
Correct answer: were
Reasoning
In a row of 40 students, A is 11th from the left. Rank from the right is:
From right = 40-11+1 = 30.
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.
Your score
0/15(0%)
Review
Dunzo aptitude topics students usually practice
- Numerical / quantitative: percentages, profit and loss, ratios, time and work, averages, SI/CI, speed-distance
- Logical reasoning: series, coding-decoding, blood relations, seating, syllogisms
- Verbal ability: grammar, vocabulary, error spotting, idioms
Numerical ability questions
Q1: Boat upstream
Problem: A boat’s speed in still water is 15 km/h and the stream is 3 km/h. How long to cover 36 km upstream?
Solution: Upstream speed = 15 − 3 = 12 km/h. Time = 36 / 12 = 3 hours.
Answer: 3 hours
Q2: Mean median hint
Problem: Numbers 2, 5, 8, 11, x have mean 8. Find x.
Solution: Sum = 40. 2+5+8+11+x=40 → x=14.
Answer: 14
Q3: Compound ratio
Problem: If two ratios are 3:5 and 5:7, what is the compound ratio?
Solution: Compound ratio = (3/5) × (5/7) = 3/7, written as 3:7.
Answer: 3:7
Q4: Unitary rice
Problem: 12 kg rice costs ₹540. Cost of 8 kg?
Solution: Per kg = 45. 8 kg = ₹360.
Answer: ₹360
Q5: Worker scaling
Problem: Eight workers finish a job in 10 days. How many days will 10 workers take for the same job (same pace)?
Solution: Total man-days = 8 × 10 = 80. Days for 10 workers = 80 / 10 = 8 days.
Answer: 8 days
Q6: Profit false weight
Problem: A seller uses 900 g weight for 1 kg and sells at cost price. Profit %?
Solution: Buys 900, sells as 1000 at CP. Profit = 100/900 × 100 ≈ 11.11%.
Answer: 11.11%
Q7: Compound mark-discount
Problem: An article is marked 40% above cost and sold after a 10% discount. Find the profit percent.
Solution: SP = CP × 1.4 × 0.9 = 1.26 CP. Profit = 26%.
Answer: 26%
Q8: Pipe empty
Problem: A pipe fills in 8 hours; a leak empties in 12. Time to fill with both open?
Solution: Rate = 1/8 − 1/12 = 1/24. Time = 24 hours.
Answer: 24 hours
Q9: Net percent change
Problem: A number is increased by 20% and then decreased by 20%. What is the net percentage change?
Solution: Start with 100 → 120 → 96. Net change = 4% decrease. Formula: successive +a then −a gives −(a²/100)% = −4%.
Answer: 4% decrease
Q10: Square garden path
Problem: A square park of side 40 m has a 2 m wide path outside. Area of the path?
Solution: Outer side = 44. Outer area = 1936. Inner = 1600. Path = 336 m².
Answer: 336 m²
Verbal ability questions
Q11: Synonym - candid
Problem: Choose the best synonym of ‘candid’.
Solution: ‘Candid’ means frank or straightforward. Closest: frank.
Answer: Frank
Q12: Idiom - piece of cake
Problem: What does ‘a piece of cake’ mean?
Solution: It means something very easy.
Answer: Very easy
Q13: One word - bibliophile
Problem: A person who loves books is called a?
Solution: Bibliophile.
Answer: Bibliophile
Q14: Sentence rearrange
Problem: Arrange: (1) the exam (2) she cleared (3) with ease
Solution: She cleared the exam with ease.
Answer: 2-1-3
Q15: Synonym - abundant
Problem: Choose the best synonym of ‘abundant’.
Solution: ‘Abundant’ means present in large quantity. Closest match: plentiful.
Answer: Plentiful
Q16: Spelling
Problem: Which spelling is correct: Acommodate / Accommodate / Acomodate / Accomodate?
Solution: Correct spelling has two c’s and two m’s: Accommodate.
Answer: Accommodate
Reasoning ability questions
Q17: Venn conclusion
Problem: Some doctors are teachers. All teachers are writers. Conclusion: Some doctors are writers?
Solution: Some doctors who are teachers must be writers. Follows.
Answer: Follows
Q18: Syllogism some
Problem: All pens are books. Some books are desks. Conclusion: Some pens are desks?
Solution: No forced overlap between pens and desks. Does not follow.
Answer: Does not follow
Q19: Direction turn
Problem: A person walks 5 km north, then 3 km east, then 5 km south. How far is he from the start, and in which direction?
Solution: North 5 and south 5 cancel. He is 3 km east of the start.
Answer: 3 km east
Q20: Input output step
Problem: Input: 34 12 57 23. Step1 sorts ascending: 12 23 34 57. What is Step1 third element?
Solution: Sorted: 12, 23, 34, 57. Third = 34.
Answer: 34
Q21: Cause effect
Problem: Cause: Heavy rain overnight. Which is a likely effect?
Solution: Waterlogging / traffic delays are likely effects.
Answer: Waterlogging / delays
Q22: Series alternate
Problem: Find next: 2, 3, 5, 8, 12, ?
Solution: Differences +1,+2,+3,+4,+5 → next diff 5 → 17.
Answer: 17
Timed practice tips for Dunzo
- First pass: only high-confidence questions
- Mark and skip time sinks early
- Keep verbal accuracy high - these are easy marks if you stay calm
- Run the mock quiz at least three times a week under real timing
- Sleep properly the night before; fatigue hurts DI and calculation accuracy