A train 100 m long is running with a speed of 68 kmph.

A train 100 m long is running with a speed of 68 kmph. In what time will it pass a man who is running at 8 kmph in the same direction in which the train is going?

Quiz

Answer/Solution

6 sec.

Steps/Work

Solution
Speed of the train relative to man =( 68 - 8 )
= 60 Kmph
= 60 x 5 / 18
=50/3 m/sec.
Time taken by it to cover 100 m at (50 /3)m/sec
= (100 x 3/50)sec
= 6 sec.
Answer A

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A train m long is running with a speed of kmph. In what time will it pass a man who is running at kmph in the same direction in which the train is going?

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