A train length is 150 m with running speed of 68 kmph. How long does it take to pass a man who is running at 8 kmph in the same direction as the train?

A) 7 sec

B) 17 sec

C) 10 sec

D) 9 sec

Speed of the train relative to man = (68 - 8) kmph

Now change it too m/sec = (60 * 5/18)

= 50/3 m/sec

Time taken by the train to cross the man = 150/(50/3)

= 9 sec

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