A train 280m long is running with a speed of 66kmph In what time will it pass a deer who is running ...........

Quantitative Aptitude (CDS) Problems on trains

A train 280m long is running with a speed of 66kmph. In what time will it pass a deer who is running at 6kmph in the direction opposite to that in which the train is going?

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Explanation:

Speed of the train relative to deer = (66+6)kmph =72kmph
= 72(5/18)m/sec = 20m/sec
Time taken by the train to cross the deer
= Time taken by it to cover 280m at 20m/sec
=(280/20)sec = 14sec