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Data Sufficiency Question

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Data Sufficiency Question [#permalink] New post 18 Jan 2009, 13:48
If P is an integer and m= -P + (-2)^P; Is m^3 > -1?
1) P is even
2) P^3 <= -1

A) 1 is sufficient
B) 2 is sufficient
C) 1 & 2 together are sufficient
D) Either is sufficient
E) Neither is sufficient
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Re: Data Sufficiency Question [#permalink] New post 27 Oct 2011, 21:48
HVD1975 wrote:
If P is an integer and m= -P + (-2)^P; Is m^3 > -1?
1) P is even
2) P^3 <= -1

A) 1 is sufficient
B) 2 is sufficient
C) 1 & 2 together are sufficient
D) Either is sufficient
E) Neither is sufficient



I think the answer is D as well

Condition 1 implies that m >= 1, therefore we can conclude that m^3 > -1 is true.
Condition 2 tells us that P <= -1, so m >= 1/2, therefore m^3 > -1 is true.
Re: Data Sufficiency Question   [#permalink] 27 Oct 2011, 21:48
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