Question
A train running at 54 km/h  crosses a pole  in 20
seconds and a platform  in 32 seconds. What is the length of the platform?Solution
Speed = 54 × (5/18) = 15 m/s Length of train = 15 × 20 = 300 m Total distance (train + platform) = 15 × 32 = 480 m Platform length = 480 − 300 = 180 m
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