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

Share this question with your friends

Correct Answer :

B. 6 sec

S p e e d o f t r a i n r e l a t i v e t o m a n = (60 + 6) k m / h r = 66 k m / h r . = (66 x \frac{5}{18}) m / s e c = (\frac{55}{3}) m / s e c . ∴ T i m e t a k e n t o p a s s t h e m a n = (110 x \frac{3}{55}) s e c = 6 s e c .