NOIDA INTERNATIONAL UNIVERSITY , GREATER NOIDA
SIMPLE INTEREST AND COMPOUND INTEREST
TOPIC – time, distance & speed
1. A train running at 60 km/h crosses a pole in 30 seconds. The length of the train is:
(a) 400 m (b) 500 m (c) 600 m (d) 700 m
2. A train 180 m long runs at 54 km/h. How much time will it take to cross a man standing on the
platform?
(a) 6 sec (b) 10 sec (c) 12 sec (d) 15 sec
3. A train 360 m long is running at a speed of 45 km/h. How long will it take to cross a platform 140
m long?
(a) 36 sec (b) 40 sec (c) 44 sec (d) 48 sec
4. A boat goes 16 km downstream in 2 hours, while it covers the same distance upstream in 4 hours.
The speed of the boat in still water is:
(a) 4 km/h (b) 6 km/h (c) 8 km/h (d) 10 km/h
5. A man covers a certain distance by car at 60 km/h and returns back at 40 km/h. What is his
average speed for the whole journey?
(a) 48 km/h (b) 49 km/h (c) 50 km/h (d) 52 km/h
6. A train running at 72 km/h crosses another train running at 14km/h in the same direction in 54
seconds. The length of the faster train is 450 m. The length of the slower train is:
(a) 350 m (b) 400 m (c) 420 m (d) 450 m
7. A man cycles at 12 km/h and reaches his office 5 minutes late. If he cycles at 15 km/h, he reaches
10 minutes early. What is the distance between his home and office?
(a) 12 km (b) 14 km (c) 15 km (d) 18 km
8. Two trains of equal length, running in opposite directions, cross each other in 12 seconds. Each
train is 120 m long and one train runs at 45 km/h. The speed of the other train is:
(a) 45 km/h (b) 54 km/h (c) 60 km/h (d) 27km/h
9. A train 300 m long crosses a pole in 18 seconds. How long will it take to cross a platform 600 m
long?
(a) 54 sec (b) 60 sec (c) 66 sec (d) 72 sec
10. A car covers 240 km at a certain speed. If the speed had been 20 km/h more, the journey would
have taken 1 hour less. Find the original speed of the car.
(a) 40 km/h (b) 50 km/h (c) 60 km/h (d) 80 km/h
11. Two trains of lengths 200 m and 300 m respectively are running in opposite directions on parallel
tracks. Their speeds are 54 km/h and 72 km/h. In what time will they cross each other?
(a) 100/7 sec (b) 16 sec (c) 18 sec (d) 20 sec
12. A boat covers 20 km downstream in 2 hours and 16 km upstream in 4 hours. The speed of the
boat in still water is:
(a) 4 km/h (b) 5 km/h (c) 6 km/h (d) 7 km/h
13. A train 250 m long passes a platform of length 350 m in 1 minute. What is the speed of the train?
(a) 30 km/h (b) 36 km/h (c) 40 km/h (d) 36.5 km/h
14. A man rows a boat 12 km downstream in 3 hours and rows the same distance upstream in 4
hours. The speed of the current is:
(a) 0.5 km/h (b) 1 km/h (c) 1.5 km/h (d) 2 km/h
15. Two trains running in opposite directions cross a man standing on the platform in 27 seconds and
17 seconds respectively. They cross each other in 23 seconds. The ratio of their speeds is:
(a) 1 : 2 (b) 2 : 3 (c) 3 : 2 (d) 3 : 4
Answer Key
1. b 2. c 3. b 4. b 5. a 6. c 7. c 8. d 9. a 10. c
11. a 12. d 13. b 14. a 15. c 16. 17. 18. 19. 20.
