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    Question

    A train moving at a speed of 25 m/s can cross a tunnel of

    length 550 metres in 40 seconds. Find the length of the train.
    A 410 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

    550+x=1000

    Or, x=1000−550

    Or, x=450

    Therefore, the length of the train is 450 metres.

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