Preparation guide
Jio Aptitude Questions
Overview
This page has Jio aptitude questions with full solutions - numerical ability, verbal, and logical reasoning - in the style students report for the Jio Online Assessment. Start with the timed mock quiz, then work the solved set and log every miss by topic.
Jio 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 by 25%. By what % should consumption fall to keep expenditure the same?
Reduction = 25/(100+25)×100 = 20%.
Quantitative
A car covers 180 km in 3 hours. Average speed is:
Speed = 180/3 = 60 km/h.
Reasoning
Statements: Some cats are dogs. All dogs are animals. Conclusion: Some cats are animals. Is the conclusion valid?
Correct answer: Valid
Verbal
Choose correct: The news _____ good.
"News" is singular → is.
Quantitative
What does "Break the ice" mean?
"Break the ice" means to initiate conversation in a social setting.
Verbal
Fill: Neither the teacher nor the students _____ present.
With neither…nor, verb agrees with nearer subject (students) → were.
Quantitative
A man can row 7 km/h in still water. If the river is flowing at 3 km/h, how long will it take him to row 12 km downstream?
Speed in still water = 7 km/h Speed of stream = 3 km/h Downstream speed = 7 + 3 = 10 km/h Time = Distance/Speed = 12/10 = 1.2 hours = 1 hour 12 minutes
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
Three pipes A, B, C can fill a tank in 12, 15, and 20 hours respectively. If all three are opened together, how long will it take to fill the tank?
A's rate = 1/12 per hour B's rate = 1/15 per hour C's rate = 1/20 per hour Combined rate = 1/12 + 1/15 + 1/20 = (5+4+3)/60 = 12/60 = 1/5 per hour Time = 1 / (1/5) = 5 hours
Reasoning
A walks 10m North, turns right walks 5m, turns right walks 10m. Direction from start?
Correct answer: East (5m east of starting point)
Reasoning
If letter positions are summed (A=1…Z=26), RED equals:
Sum of positions = 27.
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.
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.
Quantitative
A person travels first half of distance at 40 km/hr and second half at 60 km/hr. Find average speed.
Let total distance = 2D Time for first half = D/40 Time for second half = D/60 Total time = D/40 + D/60 = D(3+2)/120 = 5D/120 = D/24 Average speed = 2D / (D/24) = 48 km/hr
Verbal
Synonym of "Abundant":
Abundant means plentiful.
Your score
0/15(0%)
Review
Jio 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: Calendar day
Problem: If 1 January is a Friday, what day is 1 March of a non-leap year?
Solution: Jan 31 + Feb 28 = 59 days = 8 weeks + 3 days. Friday + 3 = Monday.
Answer: Monday
Q2: 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
Q3: Speed convert
Problem: Convert 18 m/s to km/h.
Solution: Multiply by 18/5: 18 × 18/5 = 64.8 km/h.
Answer: 64.8 km/h
Q4: CI vs SI hint
Problem: Find compound interest on ₹10,000 at 10% per annum for 2 years, compounded annually.
Solution: Amount = 10000 × (1.1)² = 10000 × 1.21 = ₹12,100. CI = 12100 − 10000 = ₹2100. (SI for same period would be ₹2000; the extra ₹100 is interest on first-year interest.)
Answer: ₹2100
Q5: Chain rule copies
Problem: 8 printers print 800 pages in 4 hours. How many printers for 1200 pages in 3 hours?
Solution: Pages ∝ printers × time. 800/(8×4)=1200/(p×3) → 25 = 1200/(3p) → 75p=1200 → p=16.
Answer: 16
Q6: Partnership share
Problem: A and B invest ₹40,000 and ₹60,000. If profit is ₹25,000, what is A’s share?
Solution: Ratio A:B = 2:3. A’s share = (2/5) × 25000 = ₹10,000.
Answer: ₹10,000
Q7: A and B together
Problem: A can finish a job in 10 days and B in 20 days. How long will they take working together?
Solution: A’s one-day work = 1/10. B’s one-day work = 1/20. Together = 1/10 + 1/20 = 3/20 per day. Time = 20/3 ≈ 6.67 days (6 days 16 hours).
Answer: 20/3 days
Q8: Population growth
Problem: A town’s population is 20,000. It grows 10% yearly. Population after 2 years?
Solution: After 2 years: 20000 × 1.1 × 1.1 = 24200.
Answer: 24,200
Q9: Three workers
Problem: A finishes work in 12 days, B in 15 days, and C in 20 days. Working together, how many days do they need?
Solution: Take total work = LCM(12,15,20) = 60 units. A = 5/day, B = 4/day, C = 3/day. Combined = 12 units/day. Time = 60/12 = 5 days.
Answer: 5 days
Q10: Discount successive
Problem: Two successive discounts of 10% and 20% equal a single discount of?
Solution: Net multiplier = 0.9 × 0.8 = 0.72 → 28% single discount.
Answer: 28%
Verbal ability questions
Q11: Antonym - verbose
Problem: Best antonym of ‘verbose’?
Solution: Verbose = wordy. Opposite: concise.
Answer: Concise
Q12: Synonym - abundant
Problem: Choose the best synonym of ‘abundant’.
Solution: ‘Abundant’ means present in large quantity. Closest match: plentiful.
Answer: Plentiful
Q13: Antonym - benevolent
Problem: Choose the best antonym of ‘benevolent’.
Solution: ‘Benevolent’ means kind or well-meaning. Opposite: malevolent.
Answer: Malevolent
Q14: Spelling
Problem: Which spelling is correct: Acommodate / Accommodate / Acomodate / Accomodate?
Solution: Correct spelling has two c’s and two m’s: Accommodate.
Answer: Accommodate
Q15: Idiom
Problem: What does ‘hit the nail on the head’ mean?
Solution: It means to describe exactly what is causing a situation or problem; to be precisely right.
Answer: To be exactly right
Q16: Synonym - candid
Problem: Choose the best synonym of ‘candid’.
Solution: ‘Candid’ means frank or straightforward. Closest: frank.
Answer: Frank
Reasoning ability questions
Q17: Odd one shapes
Problem: Odd one out: Circle, Square, Triangle, Cube
Solution: Cube is 3D; others are 2D shapes.
Answer: Cube
Q18: 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
Q19: Matrix letter
Problem: If in a code A=1, B=2, … Z=26, what is the value of CAB?
Solution: C=3, A=1, B=2; sum = 6 (if additive coding).
Answer: 6
Q20: Seating hint
Problem: Five friends sit in a row. A is to the left of B but right of C. D is to the right of B and left of E. Who is in the middle?
Solution: Order from left to right: C, A, B, D, E. The middle seat is B.
Answer: B
Q21: Mirror clock
Problem: A clock shows 3:15. What is the mirror image time approximately (12-hour mirror)?
Solution: Mirror of h:m is roughly 12:00 − 3:15 → 8:45.
Answer: 8:45
Q22: Number series gap
Problem: Find the missing number: 5, 11, 23, 47, ?
Solution: ×2+1 pattern: 5→11→23→47→95.
Answer: 95
Timed practice tips for Jio
- 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