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Question

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?

Options:
A .  5 sec
B .  6 sec
C .  7 sec
D .  10 sec
E .  None of these
Answer: Option B
 -  Speed of train relative to man = (60 + 6) km/hr = 66 km/hr.
   =   66 x  5   m/sec 18    =    55  m/sec. 3  Time taken to pass the man =    110 x  3   sec = 6 sec. 55

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