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    Question

    A bullet train running at 65 m/s takes 10 seconds to pass a

    tree completely. Determine the approximate time required to cross a 1500-metre-long bridge.
    A 10 secs Correct Answer Incorrect Answer
    B 33 secs Correct Answer Incorrect Answer
    C 72 secs Correct Answer Incorrect Answer
    D 53 secs Correct Answer Incorrect Answer

    Solution

    ATQ,

    Length of the train = 10 Ă— 65 = 650 metres

    Time taken to cross the bridge = (650 + 1500)/65 = 2150/65 = 33.08 seconds or 33 secs

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