Aptitude  Problems-On-Trains  Practice Q&A

1. A 300 metre long train crosses a platform in 39 seconds while it crosses a signal pole in 18 seconds. What is the length of the platform?

 320 350 m 650 m Data inadequate

2. 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

3. A 270 metres long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kmph in 9 seconds. What is the length of the other train?

 230 m 240 m 260 m 320 m

4. A jogger running at 9 kmph alongside a railway track in 240 metres ahead of the engine of a 120 metres long train running at 45 kmph in the same direction. In how much time will the train pass the jogger?

 3.6 sec 18 sec 36 sec 72 sec

5. Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively . If they cross each other in 23 seconds. what is the ratio of their speeds?

 Insufficient data 3 : 1 1 : 3 3 : 2

6. A train speeds past a pole in 15 seconds and a platform 100 m long in 25 seconds. Its length is:

 50 m 150 m 200 m Data inadequate

7. 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

8. Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train passes the slower train in 36 seconds. The length of each train is:

 50 m 72 m 80 m 82 m

9. A 300 metre long train crosses a platform in 39 seconds while it crosses a post in 18 seconds. What is the length of the platform?

 150 m 350 m 420 m 600 m

10. Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 seconds. What is the length of the fast train?

 23 m 23$\dfrac{2}{9}$m 27$\dfrac{7}{9}$m 29 m

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