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Discussion :: Data Sufficiency

  1. At what time did Rahul leave home for office?

    I. Rahul had his breakfast at 9:20 am at home.
    II. Rahul reached office at 10:20 am, 30 minutes after he left home.

  2. A.
    Statement I alone is sufficient, but statement II alone is not sufficient
    B.
    Statement II alone is sufficient, but statement I alone is not sufficient
    C.
    Either I or II is sufficient
    D.
    Data in both the statements together are not sufficient
    E.
    Both I and II are needed

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    Answer : Option B

    Explanation :

    The statement I alone is not sufficient. The statement II reveals that Rahul left home 30 minutes before 10:20 am, i.e., at 9:50 am. So, statement II alone is sufficient.


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