A train running at 90 km/hr crosses a vertical pole in 5 seconds and a platform in 20 seconds. Determine the length of the platform.
ATQ, Speed of the train = 90 × (5/18) = 25 m/s Length of the train = 25×5 = 125 metres Let the length of the platform be x metres. According to the question: (125+x)/25 = 20 125 + x = 500 x = 375 metres
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