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    Question

    Gatiman express train crosses a platform in 30 seconds

    while it can cross a pole in 10 seconds. If the speed of the Gatiman express is 30 m/s, then find the length of the platform?
    A 650 Correct Answer Incorrect Answer
    B 620 Correct Answer Incorrect Answer
    C 600 Correct Answer Incorrect Answer
    D 630 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Length of the train = 30 × 10 = 300 metres Let the length of the platform be ‘p’ metres ATQ; p + 300 = 30 × 30 Or, p = 900 – 300 Or, p = 600

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