Problems on Trains

1.		A 1/4 mile long train travelling at a speed of 75 mph enters a tunnel 3 (1/2) miles long. How long does it take for the train to pass through the tunnel from the moment the front enters to the moment the rear emerges?

2.5 min

3 min

3.2 min

3.5 min

2.		A train 108 m long moving at the speed of 50 km/hr crosses a train 112 m long coming from opposite direction in 6 seconds. The speed of the second train is:

48 km/hr

54 km/hr

66 km/hr

82 km/hr

3.		In what time will a train 100 metres long cross a pole, if its speed is 144 km/hr?

25 seconds

5 seconds

12.5 seconds

2.5 seconds

4.		A train 360 m long is running at the speed of 45 km/hr. The time taken by it to pass a bridge 140 m long is:

48 seconds

42 seconds

40 seconds

45 seconds

5.		A train 800 m long is running at a speed of 78 km/hr. If it crosses a bridge in 1 minute, then the length of the bridge is:

540 m

130 m

500 m

260 m

6.		Two trains of equal lengths take 10 seconds and 15 seconds respectively to cross a telegraph post. If the length of each train be 120 metres, in what time (in seconds) will they cross each other travelling in opposite direction?

10

12

15

20

7.		Two trains are running in opposite directions with the same speed. If the length of each train is 120 metres and they cross each other in 12 seconds, then the speed of each train (in km/hr) is:

10

18

36

72

8.		A 110 metres long train is running with a speed of 60 kmph. In what time will it will pass a man running at 6 kmph in the direction opposite to that of train?

5 sec

6 sec

7 sec

10 sec

9.		How much time does a train 110 metres long running at the speed of 72 km/hr take to cross a bridge 132 metres in length?

14.3 seconds

12.1 seconds

9.8 seconds

12.42 seconds

10.		A train moves past a telegraph post and a bridge 264 m long in 8 seconds and 20 seconds respectively. What is the speed of the train?

69.5 km/hr

70 km/hr

79 km/hr

79.2 km/hr