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Discussion :: Problems on Trains

  1. A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform?

    2. A.

    120 m
    B.

    240 m
    C.
    300 m
    D.

    none of these

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    Answer : Option B

    Explanation :

     

    Speed =   [ 54 X 518]   m/sec = 15 m/sec.
     

     

    Length of the train = (15 x 20)m = 300 m.

     

    Let the length of the platform be x metres.

     

    Then,    X+30036= 15
     

     

     x + 300 = 540

     

     x = 240 m.

     

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