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    Question

    Length of a train, whose speed is 60 km/h, is 300

    metres. Find the time taken (in seconds) by train to cross a bridge of length 600 metres.
    A 25 seconds Correct Answer Incorrect Answer
    B 54 seconds Correct Answer Incorrect Answer
    C 36 seconds Correct Answer Incorrect Answer
    D 40 seconds Correct Answer Incorrect Answer

    Solution

    Speed of train = 60 km/h = 60 ├Ч (5/18) = 50/3 m/s
    Required time = (300 + 600) ├╖ (50/3) = 900 ├Ч (3/50) = 54 seconds

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