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A train 110 metres long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going?

A. 5 sec

B. 6 sec

C. 7 sec

D. 10 sec

Correct Answer :

B. 6 sec


Speed of train relative to man = (60 + 6) km/hr = 66 km/hr.     = 66 x 518 m/sec     = 55 3m/sec.    Time taken to pass the man = 110 x 355 sec = 6 sec. 

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