Question

    What is the speed of a train? Statement I: The

    train crosses a pole in 10 seconds. Statement II: The length of the train is 240 metres. Statement III: The train crosses a platform of equal length in 20 seconds.
    A Only I and II Correct Answer Incorrect Answer
    B Only II and III Correct Answer Incorrect Answer
    C All I, II and III Correct Answer Incorrect Answer
    D Any two of the three Correct Answer Incorrect Answer
    E II and either I or III Correct Answer Incorrect Answer

    Solution

    From I and II, Speed = 240/10 = 24 m/sec. From II and III, Speed = 240/20 = 12 m/sec. From II and either I or III, we can find the speed of the train.

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