Discussion :: Data Sufficiency
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What is Tom's rank in the class?
I. There are 45 students in the class.
II. 42 students scored less than Tom.
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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 E
Explanation :
Total students = 45
42 students scored less, and then 2 students would have scored more than Tom which means Tom is at the third position. Thus, we need data of both statements to get the answer.
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