A train 135 metres long is running with a speed of 54 km per hour. In what time will it pass a telegraph post?

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Accepted Answer

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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