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    Question

    How much time will train A take to cross a platform of length 400 m?

    Statement I:  The train A crosses another train B in 40 seconds.

    Statement II:  Both trains are running in opposite direction.

    A If the data in statement I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question. Correct Answer Incorrect Answer
    B If the data in statement II alone is sufficient to answer the question, while the data in statement I alone is not sufficient to answer the question. Correct Answer Incorrect Answer
    C If the data either in statement I alone or in statement II alone is sufficient to answer the question. Correct Answer Incorrect Answer
    D If the data even in both statements I and II together and not sufficient to answer the question. Correct Answer Incorrect Answer
    E If the data in both statements I and II together are necessary to answer the question Correct Answer Incorrect Answer

    Solution

    Since, we don’t know the length of the train from even both the statements, we cannot get the answer.

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