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  1. In how much time will a train of length 100 m, moving at 36 kmph cross an electric pole?
    2. A.
    15 sec
    B.
    22 sec
    C.
    18 sec
    D.
    10 sec

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    Answer : Option D

    Explanation :

    Convert kmph to mps. 36 kmph = 36 * 5/18 = 10 mps.
    The distance to be covered is equal to the length of the train.
    Required time t = d/s = 100/10 = 10 sec.

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