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Problem on Trains

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  1. A train 135 metres long is running with a speed of 54 km per hour. In what time will it pass a telegraph post ?
    1. 9 sec
    2. 12 sec
    3. 8 sec
    4. 6 sec
Correct Option: A

Distance traveled = length of the train = 135 m
Speed of the train = 54 Km/hr = 54 x 5/18 = 15 m/s.

Time taken by train = 135 / 15 sec. = 9 sec.


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