Question
A train crosses a pole in 36 seconds and a platform in
52 seconds. If the speed of the train is 54 km/hr, then what is the length of the platform?Solution
Let the Length of train train be L meter and length of platform be P meter. Speed of train = 54 km/h = 54 × (5/18) = 15 m/s Here, (L /15) = 36 ⇒  L = 540 m Also, (540 + P)/15 = 52 ⇒  540 + P = 780 ⇒  P = 240 m
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