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Is p<0? a. p+6<|p| p+6<p 6<0; not possible.

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Is p<0? a. p+6<|p| p+6<p 6<0; not possible. [#permalink] New post 21 Feb 2011, 08:03
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A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

71% (01:41) correct 29% (01:19) wrong based on 28 sessions
Is p<0?

a. p+6<|p|

p+6<p
6<0; not possible. Ignore.

p+6<-p
2p<-6
p<-3.
Thus p<0. Sufficient.


b. p^2-p>p^2
-p>0
p<0
Sufficient.

Ans: "D"
[Reveal] Spoiler: OA

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Re: math ds problem [#permalink] New post 22 Feb 2011, 18:16
Answer is D, and my reasoning is same as that of fluke's.
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Re: math ds problem   [#permalink] 22 Feb 2011, 18:16
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Is p<0? a. p+6<|p| p+6<p 6<0; not possible.

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