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A train that is 280 metres long, travelling at a uniform speed, crosses a platform in 60 seconds and passes a man standing on the platform in 20 seconds. What is the length of the platform in metres? |
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Answer» For a train to cross a person, it takes 20 seconds for its 280m. So, for second 60 seconds. Total distance travelled should be 840. Including 280 train length so length of plates = 840 - 280 = 560 |
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