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    Question

    In how much time will a train running at a speed of 48

    km/hr cross the other train running in opposite direction? Statement I: The length of the two trains is 90 metres and 120 metres respectively. Statement II: The speed of the second train is 60 km/hr.
    A If the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question. Correct Answer Incorrect Answer
    B If the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question. Correct Answer Incorrect Answer
    C If the data in both statement I and II together are required to answer the question. Correct Answer Incorrect Answer
    D If the data either in statement I alone or in statement II alone is sufficient to answer the question Correct Answer Incorrect Answer
    E If the data even in both the statement I and II together are not sufficient to answer the question. Correct Answer Incorrect Answer

    Solution

    From I, Distance = 120 + 90 = 210 m. From II, Relative speed = 48 + 60 = 108 km/hr. ∴ Time = (210 ×18)/(108 × 5) = 7 sec. Therefore, both the statement I and II together are required to answer the question.

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