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    Question

    A train 175 m long running at 54 km/hr takes 40 seconds

    to cross a bridge. The length of the bridge is
    A 300 metre Correct Answer Incorrect Answer
    B 425 metre Correct Answer Incorrect Answer
    C 625 metre Correct Answer Incorrect Answer
    D 350 metre Correct Answer Incorrect Answer

    Solution

    Speed of train = 54 km/hr = 54 ├Ч (5/18) = 15 m / sec If the length of bridge be x metre, then тЗТ 15 = (175 + x)/40 тЗТ 175 + x = 600 тЗТ x = 600 тАУ 175 = 425 metre

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