Discussion :: Data Sufficiency
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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.
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A.
Statement I alone is sufficient, but statement II alone is not sufficient
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B.
Statement II alone is sufficient, but statement I alone is not sufficient
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C.
Either Statement I or II is sufficient
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D.
Data in both the statements together are not sufficient
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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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