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    Question

    A train crosses a pole and a platform of length 575

    metres in 11 seconds and 34 seconds, respectively. Find the length of train.
    A 235 metres Correct Answer Incorrect Answer
    B 255 metres Correct Answer Incorrect Answer
    C 275 metres Correct Answer Incorrect Answer
    D 295 metres Correct Answer Incorrect Answer

    Solution

    Let the speed of train be 'v' m/s.
    Length of train = '11v' metres
    So, (11v + 575) ÷ 34 = 'v'

    Or, 11v + 575 = 34v
    Or, 23v = 575
    So, 'v' = 25
    Therefore, length of the train = 11 × 25 = 275 metres

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