Problems on Trains - Data Intensity 1 :: Discussion


14.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
Answer:  Option  B
Explanation:

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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Published by:Michael Daani

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