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Discussion :: Problems on Trains

  1. A train of length 150 meters takes 10 seconds to pass over another train 100 meters long coming from the opposite direction. If the speed of the first train be 30 kmph. The speed of the second train is:
    2. A.
    54 kmph
    B.
    60 kmph
    C.
    72 kmph
    D.
    36 kmph

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    Answer : Option B

    Explanation :

    Relative speed = (150+100│10) m/sec = 25 m/sec 


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