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Discussion :: Problems on Trains

  1. A train covers a distance of 12 km in 10 min. If it takes 6 sec to pass a telegraph post, then the length of the train is?
    2. A.
    90 m
    B.
    100 m
    C.
    120 m
    D.
    140 m

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    Answer : Option C

    Explanation :

    Speed = (12/10 * 60) km/hr = (72 * 5/18) m/sec = 20 m/sec.

    Length of the train = 20 * 6 = 120 m.

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