Is p^3 < p?

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by GMATGuruNY » Thu Feb 21, 2019 6:10 pm

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BTGmoderatorDC wrote:Is p^3 < p?

(1) p < 1

(2) p is an integer

Statements combined:
Case 1: p=0, with the result that p is an integer less than 1
In this case, pÂ³=p, so the answer to the question stem is NO.
Case 2: p=-2, with the result that p is an integer less than 1
In this case, pÂ³ < p, so the answer to the question stem is YES.
Since the answer is NO in Case 1 but YES in Case 2, the two statements combined are INSUFFICIENT.

The correct answer is E.

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