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    Question

    Find the time (in seconds) taken by a 400 metre long

    train which is moving at a speed of 90 km/h, to cross a 500 metre long bridge.
    A 32 secs Correct Answer Incorrect Answer
    B 25 secs Correct Answer Incorrect Answer
    C 36 secs Correct Answer Incorrect Answer
    D 28 secs Correct Answer Incorrect Answer

    Solution

    ATQ,

    Speed of train = 90 Ă— (5/18) = 25 m/s

    Time taken by the train to cross the bridge = (400 + 500) Ă· 25 = 36 seconds

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