A train 135m long travels at 62 km per hour. A man is running at 8 km/h in the same direction in which the train is going. In how many seconds, the train will cross the man ?
Answer is 9 sec
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9 sec
Step-by-step explanation:
Relative speed=62-8
=54 km per hour
=54×5/18
=15m per sec
Time =135m/15m per sec =9 sec
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