Sunday 20 July 2014

A jogger running at 9 kmph alongside a railway track in 240 metres ahead of the engine of a 120 metres long train running at 45 kmph in the same direction. In how much time will the train pass the jogger?

A jogger running at 9 kmph alongside a railway track in 240 metres ahead of the engine of a 120 metres long train running at 45 kmph in the same direction. In how much time will the train pass the jogger?

Options:
A.     3.6 sec    B.     18 sec
C.     36 sec    D.     72 sec



Answer: C

Explanation: 

No comments:

Post a Comment