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What is the speed of the train? I.  The train crosses a signal pole in 18 seconds. II.  The train crosses a platform of equal length in 36 seconds.  III.  Length of the train is 330 metres. ?->(Show Answer!)
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1. What is the speed of the train? I.  The train crosses a signal pole in 18 seconds. II.  The train crosses a platform of equal length in 36 seconds.  III.  Length of the train is 330 metres.






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  • By: guest on 01 Jun 2017 05.48 pm
    Let the speed of the train be x metres/sec. Time taken to cross a signal pole = Length of the train Speed of the train Time taken to cross a platform = (Length of the train + Length of the Platform) Speed of the train Length of train = 330 m. I and III give, 18 = 330     x = 330 m/sec = 55 m/sec. x 18 3 II and III give, 36 = 2 x 330     x = 660 m/sec = 55 m/sec. x 36 3 Correct answer is (D).
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