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    Question

    For each of the following  questions statements I and II are given. Use the data of  those statements and then determine which of the  following statements is necessary to answer the  question:

    In how much time will a train running with a speed of 72

    km/hr cross the second train? Statement I:  The length of the two trains is 80 metres and 100 metres respectively. Statement II:  The speed of the second train is 60 km/hr.
    A If the question can be answered with the help of both the statements but not with the help of either statement itself Correct Answer Incorrect Answer
    B If the question cannot be answered even with the help of both the statements. Correct Answer Incorrect Answer
    C If the question can be answered with the help of statement II alone. Correct Answer Incorrect Answer
    D If the question can be answered with the help of statement I alone. Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Since, we do not know the direction in which the two trains are running, we cannot answer the question. Therefore, the statement I and II are not sufficient to answer the question.

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