Sunday 20 July 2014

A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform?

 A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform?

Options:
A.     120 m    B.     240 m
C.     300 m    D.     None of these



Answer: B

Explanation: 

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