Q14. A man sitting in a train which is travelling at 5 kmph observes that a goods train, travelling in opposite direction, takes 9 seconds to pass him. If the goods train is 280 m long, find its speed.

Q15. A train 100 metres long takes 6 seconds to cross a man walking at 5 kmph in a direction opposite to that of the train. Find the speed of the train?

Q16. A train is moving at a speed of 132 km/hr. If the length of the train is 110 meters , how long will it take to cross a railway platform 165 metres long?

Q17. Two trains 100 metres and 120 metres long are running in the same direction with speeds of 72 km/hr and 54 km/hr. In how much time will the first train cross the second?

Q18. A train 220 m long is running with a speed of 59 kmph. In what time will it pass a man who is running at 7 kmph in the direction opposite to that in which the train is going?

Q19. A train is standing on a railway bridge which is 180 m long. It finds that a train crosses the bridge in 20 seconds, but himself in 8 seconds. Find the length of the train and its speed.