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Discussion :: Data Sufficiency

  1. What is the total weight of 10 boxes each has the same weight?

    I. One-fourth of the weight of a box is 5 kg.
    II. The total weight of the three boxes is 20 kilometers more than the total weight of the two boxes.

  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 Statement 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 C

    Explanation :

    From statement I, it is clear that weight of one box = 5 * 4 = 20 kg. So, the total weight of 10 boxes is 20 * 10 = 200 kg. Thus, alone I is sufficient.

    From statement II, the weight of one box = weight of three boxes - weight of two boxes = 20 kg. So, weight of 10 boxes = 10 * 20 = 200 kg. Thus, alone II is also sufficient.


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