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  1. A train 100 m long crosses a platform 125 m long in 15 sec; find the speed of the train?
    2. A.
    45 kmph
    B.
    50 kmph
    C.
    54 kmph
    D.
    60 kmph

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    Answer : Option C

    Explanation :

    D = 100 + 125 = 225

    T = 15

    S = 225/15 * 18/5 = 54 kmph

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