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    Question

    Gatiman express train crosses a platform in 30 seconds

    while it can cross a pole in 12 seconds. If the speed of the Gatiman express is 36 m/s, then find the length of the platform?
    A 628 Correct Answer Incorrect Answer
    B 638 Correct Answer Incorrect Answer
    C 648 Correct Answer Incorrect Answer
    D 668 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Length of the train = 30 × 12 = 360 metres Let the length of the platform be ‘p’ metres ATQ; p + 300 = 36 × 30 Or, p = 1080 – 300 Or, p = 648

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