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    Question

    Directions(Q.71 -75) : In each of the following questions, a question and two statements I and II are given. You have to decide whether the date given in the statements are sufficient to answer the question or not.

    How long did it take Narayan to drive to his home?

    Statement I : If he had driven twice as fast she would have taken 30 minutes.

    Statement II : His average speed was 80 km per hour.

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

    Solution

    From statement I , distance/speed = time And if twice speed then distance/(2 × speed) = 30 Solving both equations, we can find time. From statement II, we also require distance to know the time.

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