A train 75 meters long is running with a speed of 20 km/hr. It will pass a standing man in?

12 seconds
13.5 seconds
14 seconds
15 seconds

Correct Answer: 13.5 seconds

Explanation:

∵ Speed of the train = 20 x (5/18) = (50/9) m/sec
∴ Time taken by the train to pass the man = 75 x (9/50) = 13.5 sec

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