Question

    A train running at 76 km. an hour passes a

    man in 6 secondswho is walking at 4 km per hour in the same direction. Find the length of the train.
    A 133 1/3m Correct Answer Incorrect Answer
    B 120m Correct Answer Incorrect Answer
    C 110m Correct Answer Incorrect Answer
    D 100m Correct Answer Incorrect Answer

    Solution

    As both are moving in the same direction, the relative speed of train = 76 - 4 = 72 km./hrs. length of train = speed × time [if gte vml 1]> [if !vml]-->`(72xx1000)/(60xx60)xx6 = 120m` [endif]-->

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