Class Bunk brings you the Top 50 Time Speed and Distance Questions with Answers, covering topics from the basic to the advanced level. These questions will help you evaluate your preparation, identify your strengths and weaknesses and improve your problem-solving skills.
This practice set has been carefully designed by the experts at Class Bunk to help students prepare effectively for school, competitive, and government examinations. You are advised to complete the test within 45 minutes and then assess your performance to identify conceptual gaps and work on them accordingly.
Time Speed and Distance questions with Answers
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1. A car travels 240 km in 4 hours. What is its speed?
A. 50 km/h
B. 60 km/h
C. 70 km/h
D. 80 km/h
Answer: 60 km/h.
Explanation: Speed = Distance/Time = 240/4 = 60 km/h.
2. A person walks at 5 km/h. How long will it take to cover 20 km?
A. 2 h
B. 4 h
C. 5 h
D. 3 h
Answer: 4 hours
Explanation: Time = Distance/Speed = 20/5 = 4 hours.
3. Convert 72 km/h into m/s.
A. 10 m/s
B. 15 m/s
C. 20 m/s
D. 25 m/s
Answer: 20m/s
Explanation: 72 × 5/18 = 20 m/s.
Q4. Convert 15 m/s into km/h.
A. 54 km/h
B. 45 km/h
C. 36 km/h
D. 60 km/h
Answer: 54km/h
Explanation: 15 × 18/5 = 54 km/h.
Q5. A cyclist covers 30 km at 10 km/h and next 30 km at 15 km/h. Total time taken?
A. 4 h
B. 5 h
C. 3 h
D. 6 h
Explanation: Time₁ = 30/10 = 3 h; Time₂ = 30/15 = 2 h; Total = 5 h.
Q6.What is the average speed if a person travels equal distances at 40 km/h and 60 km/h?
A. 48 km/h
B. 50 km/h
C. 55 km/h
D. 45 km/h
Explanation: Average speed for equal distances = 2ab/(a+b) = 2×40×60/(40+60) = 4800/100 = 48 km/h.
Q7. A train covers 150 km in 2.5 hours. Its speed in m/s is:
A. 15.67 m/s
B. 16.67 m/s
C. 17.67 m/s
D. 18 m/s
Explanation: Speed = 150/2.5 = 60 km/h = 60×5/18 ≈ 16.67 m/s.
Q8.A bus covers 400 km in 8 hours. How much distance will it cover in 5 hours at the same speed?
A. 200 km
B. 250 km
C. 300 km
D. 350 km
Explanation: Speed = 400/8 = 50 km/h. Distance = 50×5 = 250 km.
Q9.Two trains run in the same direction at 50 km/h and 30 km/h. Their relative speed is:
A. 80 km/h
B. 20 km/h
C. 10 km/h
D. 60 km/h
Explanation: Same direction: relative speed = 50 − 30 = 20 km/h.
Q10. Two trains run in opposite directions at 60 km/h and 40 km/h. Their relative speed is:
A. 20 km/h
B. 100 km/h
C. 80 km/h
D. 120 km/h
Explanation: Opposite directions: relative speed = 60 + 40 = 100 km/h.
Q11. A 200 m long train passes a pole in 10 seconds. Its speed is:
A. 15 m/s
B. 18 m/s
C. 20 m/s
D. 25 m/s
Explanation: Speed = 200/10 = 20 m/s.
Q12. A 250 m long train crosses a 150 m long platform in 20 seconds. The speed of the train is:
A. 18 m/s
B. 20 m/s
C. 25 m/s
D. 10 m/s
Explanation: Total distance = 250+150 = 400 m; Speed = 400/20 = 20 m/s — wait that’s 20. Let’s recheck: 400/20=20 m/s. Correct option is 20 m/s.
Q13.Two trains of length 180 m and 120 m run in opposite directions at 50 km/h and 40 km/h. Time to cross each other:
A. 8 s
B. 9 s
C. 10 s
D. 12 s
Explanation: Relative speed = 90 km/h = 25 m/s; Total length = 300 m; Time = 300/25 = 12 s — wait: 300/25=12 s. Correct: 12 s.
Q14.A 300 m long train running at 90 km/h crosses a platform in 20 seconds. Length of platform:
A. 100 m
B. 150 m
C. 200 m
D. 250 m
Explanation: Speed = 25 m/s; Distance in 20 s = 500 m; Platform = 500−300 = 200 m.
Q15.A train passes a 100 m long bridge in 30 s and a man standing on the bridge in 10 s. Length of train:
A. 40 m
B. 50 m
C. 60 m
D. 70 m
Explanation: Speed = L/10; (L+100)/30 = L/10 → 10(L+100)=30L → L=50 m.
Q16.A boat goes 20 km upstream and 20 km downstream in 4 hours 40 minutes. Speed of current is 2 km/h. Speed of boat in still water:
A. 8 km/h
B. 9 km/h
C. 10 km/h
D. 12 km/h
Explanation: Let speed = x. 20/(x−2)+20/(x+2)=14/3. Solving: x=10 km/h.
Q17.A man rows downstream 24 km in 3 hours and upstream 12 km in 3 hours. Speed of current:
A. 1 km/h
B. 2 km/h
C. 3 km/h
D. 4 km/h
Explanation: Downstream speed = 8 km/h; Upstream speed = 4 km/h; Current = (8−4)/2 = 2 km/h.
Q18.Speed of a boat in still water is 15 km/h. It goes 30 km downstream and returns. Stream speed is 5 km/h. Total time:
A. 4 h
B. 5 h
C. 4.5 h
D. 3.5 h
Explanation: Downstream time = 30/20 = 1.5 h; Upstream time = 30/10 = 3 h; Total = 4.5 h.
Q19.A man can row 6 km/h in still water. If the river flows at 2 km/h, time to row 4 km and back:
A. 1.3 h
B. 1.5 h
C. 2 h
D. 2.5 h
Explanation: Time = 4/8 + 4/4 = 0.5 + 1 = 1.5 h.
Q20.A boat travels 10 km upstream in 40 min and same distance downstream in 20 min. Speed of stream:
A. 7.5 km/h
B. 5 km/h
C. 10 km/h
D. 12.5 km/h
Explanation: Upstream speed = 15 km/h; Downstream speed = 30 km/h; Stream = (30−15)/2 = 7.5 km/h.
Q21. A and B start from same point at 6 km/h and 10 km/h in opposite directions. Distance between them after 3 hours:
A. 12 km
B. 30 km
C. 48 km
D. 20 km
Explanation: Relative speed = 16 km/h; Distance = 16×3 = 48 km.
Q22.Two friends start simultaneously from cities 300 km apart towards each other at 60 km/h and 40 km/h. When do they meet?
A. 2 h
B. 3 h
C. 4 h
D. 5 h
Explanation: Relative speed = 100 km/h; Time = 300/100 = 3 h.
Q23.A thief runs at 8 km/h. A policeman starts 1 hour later at 10 km/h. Time taken to catch the thief:
A. 3 h
B. 4 h
C. 5 h
D. 6 h
Explanation: Thief’s head start = 8 km; Relative speed = 2 km/h; Time = 8/2 = 4 h.
Q24.A man covers half his journey at 6 km/h and remaining at 3 km/h. Average speed for the whole journey:
A. 4 km/h
B. 4.5 km/h
C. 5 km/h
D. 3.5 km/h
Explanation: Average speed = 2×6×3/(6+3) = 36/9 = 4 km/h.
Q25.A train travels first 100 km at 40 km/h and next 200 km at 50 km/h. Average speed:
A. 46.15 km/h
B. 45 km/h
C. 48 km/h
D. 50 km/h
Explanation: Time₁=2.5 h, Time₂=4 h; Avg = 300/6.5 ≈ 46.15 km/h.
Q26.A 120 m train and a 80 m train run in same direction at 90 km/h and 70 km/h. Time to cross each other:
A. 36 s
B. 30 s
C. 40 s
D. 18 s
Explanation: Relative speed = 20 km/h = 50/9 m/s; Total length = 200 m; Time = 200÷(50/9) = 36 s.
Q27.Two trains start simultaneously from A and B (600 km apart) towards each other at 80 km/h and 70 km/h. Where do they meet from A?
A. 293 km
B. 320 km
C. 280 km
D. 250 km
Explanation: Time = 600/150 = 4 h; Distance from A = 80×4 = 320 km.
Q28.A car goes from X to Y at 60 km/h and returns at 40 km/h. Average speed for the whole trip:
A. 48 km/h
B. 50 km/h
C. 45 km/h
D. 52 km/h
Explanation: Average = 2×60×40/(60+40) = 4800/100 = 48 km/h.
Q29.A person travels 120 km. For first 40 km he travels at 20 km/h and rest at 40 km/h. Time taken:
A. 3 h
B. 4 h
C. 5 h
D. 6 h
Explanation: Time₁ = 40/20 = 2 h; Time₂ = 80/40 = 2 h; Total = 4 h.
Q30.A train starts from rest and accelerates to 72 km/h in 10 min. Distance covered (assuming uniform acceleration):
A. 4 km
B. 5 km
C. 6 km
D. 7 km
Explanation: Avg speed = 36 km/h; Distance = 36 × (10/60) = 6 km.
Q31.A man is running at 6 m/s towards a train. Train is approaching at 20 m/s. Relative speed of train with respect to man:
A. 14 m/s
B. 26 m/s
C. 20 m/s
D. 6 m/s
Explanation: Moving towards each other, relative speed = 20+6 = 26 m/s.
Q32.A 400 m train takes 36 s to cross a 200 m bridge. Speed of train in km/h:
A. 54 km/h
B. 60 km/h
C. 72 km/h
D. 80 km/h
Explanation: Speed = 600/36 = 50/3 m/s = 60 km/h.
Q33.Two trains of same length pass a pole in 4 s and 5 s. Time to cross each other when moving in same direction:
A. 36 s
B. 40 s
C. 45 s
D. 50 s
Explanation: Let length = L. Speeds: L/4 and L/5. Relative = L/20; Total = 2L; Time = 2L/(L/20) = 40 s.
Q34.A man rows 12 km in 2 hours against the current and 12 km in 1.5 hours with the current. Speed of current:
A. 1 km/h
B. 1.5 km/h
C. 2 km/h
D. 0.5 km/h
Explanation: Upstream = 6 km/h; Downstream = 8 km/h; Current = (8−6)/2 = 1 km/h.
Q35.The speed of a motorboat in still water is 20 km/h. Speed of stream is 4 km/h. Time to go 48 km downstream:
A. 2 h
B. 2.5 h
C. 3 h
D. 4 h
Explanation: Downstream speed = 24 km/h; Time = 48/24 = 2 h.
Q36.A person cycles at 15 km/h. He increases speed by 20%. New speed:
A. 16 km/h
B. 17 km/h
C. 18 km/h
D. 19 km/h
Explanation: New speed = 15 × 1.2 = 18 km/h.
Q37.A car takes 6 hours to travel a distance. If speed is increased by 50%, new time taken:
A. 3 h
B. 4 h
C. 5 h
D. 2 h
Explanation: New speed = 1.5× original; New time = 6/1.5 = 4 h.
Q38.A man walks from his house to office at 5 km/h and returns at 3 km/h. Average speed for entire journey:
A. 3.75 km/h
B. 4 km/h
C. 4.5 km/h
D. 5 km/h
Explanation: Avg = 2×5×3/(5+3) = 30/8 = 3.75 km/h.
Q39.Two towns are 300 km apart. A bus starts from town A at 60 km/h. At the same time another bus starts from town B at 90 km/h. Where do they meet from A?
A. 100 km
B. 120 km
C. 150 km
D. 180 km
Explanation: Time = 300/150 = 2 h; Distance from A = 60×2 = 120 km.
Q40.A man standing on a platform sees two trains pass him. One takes 8 s and another takes 12 s. Lengths are 160 m and 240 m. Ratio of their speeds:
A. 1:1
B. 2:3
C. 3:2
D. 1:2
Explanation: Speed₁ = 160/8 = 20 m/s; Speed₂ = 240/12 = 20 m/s. Ratio = 1:1.
Q41.A train of 150 m crosses a man running at 6 km/h in the same direction in 12 s. Speed of train:
A. 45 km/h
B. 48 km/h
C. 51 km/h
D. 54 km/h
Explanation: Relative speed = 150/12 = 12.5 m/s = 45 km/h. Train speed = 45+6 = 51. Let me recalculate: 12.5 m/s = 45 km/h; 45+6 = 51 km/h.
Q42.A 200 m train running at 54 km/h takes how long to pass a 100 m long platform?
A. 15 s
B. 18 s
C. 20 s
D. 22 s
Explanation: Speed = 15 m/s; Distance = 300 m; Time = 300/15 = 20 s.
Q43.A man walks at 4 km/h and runs at 8 km/h. He covers a total distance of 24 km in 4 hours. How much did he walk?
A. 8 km
B. 10 km
C. 12 km
D. 16 km
Explanation: Let walk = w; run = 24−w. w/4 + (24−w)/8 = 4 → 8=w; Walk = 8 km.
Q44.A boat takes twice as long to go upstream as downstream. If the speed of stream is 3 km/h, speed of boat in still water:
A. 6 km/h
B. 9 km/h
C. 12 km/h
D. 15 km/h
Explanation: 2(b−3)=b+3 → 2b−6=b+3 → b=9 km/h.
Q45.Speed of light is approx 3×10⁸ m/s. Time taken to cover 1.5×10¹¹ m (earth to sun):
A. 500 s
B. 600 s
C. 400 s
D. 300 s
Explanation: Time = 1.5×10¹¹ / 3×10⁸ = 500 s.
Q46. A student goes to school at 3 km/h and returns at 2 km/h. If school is 6 km away, average speed for round trip:
A. 2.4 km/h
B. 2.5 km/h
C. 3 km/h
D. 2.8 km/h
Explanation: Avg = 2×3×2/(3+2) = 12/5 = 2.4 km/h.
Q47. A walks at 4 km/h and B at 6 km/h. A has a head start of 2 hours. After how long will B overtake A?
A. 4 h
B. 5 h
C. 3 h
D. 6 h
Explanation: A’s head start = 8 km; Relative speed = 2 km/h; Time = 8/2 = 4 h.
Q48.A goods train and express train are running in opposite directions. Speeds 36 km/h and 54 km/h. They cross each other in 10 s. Combined length:
A. 200 m
B. 225 m
C. 250 m
D. 275 m
Explanation: Relative speed = 90 km/h = 25 m/s; Length = 25×10 = 250 m.
Q49.A vehicle covers a distance in 4 hours at 60 km/h. To cover the same distance in 3 hours, speed required:
A. 70 km/h
B. 75 km/h
C. 80 km/h
D. 90 km/h
Explanation: Distance = 240 km; New speed = 240/3 = 80 km/h.
Q50. If a boat’s speed in still water is 12 km/h and stream speed is 3 km/h, the time to row 45 km upstream is:
A. 4 h
B. 5 h
C. 6 h
D. 7 h
Explanation: Upstream speed = 9 km/h; Time = 45/9 = 5 h.
Q51.A train runs at 90 km/h. How many metres does it cover in 1 minute?
A. 1200 m
B. 1300 m
C. 1400 m
D. 1500 m
Explanation: 90 km/h = 1500 m/min (90000m ÷ 60 min).
Conclusion
Speed, Distance, and Time forms the foundation of quantitative aptitude and is an important topic for both academic and competitive examinations. Solving these questions with answers not only helps you master the concepts but also helps you to evaluate your level of understanding. It allows you to identify whether your knowledge is conceptually strong or just superficial. Consistent practice is the key to improving speed, accuracy, and exam performance.