Question
A train running with a speed of 90 km/hr can cross a
pole in 20 seconds and a platform in 22 seconds. Find the length of the platform.Solution
Speed of the train = 90 × (5/18) = 25 m/sec Length of the train = 25 × 20 = 500 metres Let the length of the platform be ‘x’ metres Therefore, 500 + x = 25 × 22 Or, x = 550 – 50 = 50 metres
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