Question

    A train crosses a platform which is 120 m long in 14

    seconds and the same train crosses a static pole in 8 seconds. Find the length and speed of the train.
    A 162m,12m/sec Correct Answer Incorrect Answer
    B 160m,20m/sec Correct Answer Incorrect Answer
    C 112m,26m/sec Correct Answer Incorrect Answer
    D 119m,21m/sec Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    Sol. Let the length of the train be x [if gte msEquation 12]>x [if !msEquation]-->[endif]--> metres. => x/8 = (120 + x)/14 => 14x = 960 + 8x => x = 160 m Speed of the train = 160/8 = 20 m/sec.

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