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What is the time taken by a train 650 m long travelling at 72 km/hr to cross a 750 m long platform?

A.	60 sec	B.	65 sec
C.	70 sec	D.	75 sec

Answer and Explanation

Answer:70 sec

Explanation:
The distance to be travelled by the train to cross a platform of length
=>750 m is 750 + 650 i.e. 1400 m. At 72 km/hr, or 20 m/s of the train takes 1400/20 i.e. 70 seconds to cross the platform.

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