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    Question

    A train traveling at 20 m/s crosses a bridge that is 400

    metres long in 35 seconds. What is the length of the train?
    A 300 m Correct Answer Incorrect Answer
    B 450 m Correct Answer Incorrect Answer
    C 312 m Correct Answer Incorrect Answer
    D 515 m Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the length of the train be 'x' metres.

    According to the question:

    Image

    400+x=700

    Or, x=700−400

    Or, x=300

    Therefore, the length of the train is 300 metres.

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