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What is the value of A? (1) A|A| = -4 (2) -3 < A < -1

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Joined: 18 Jan 2017
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What is the value of A? (1) A|A| = -4 (2) -3 < A < -1 [#permalink]

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New post 16 Sep 2017, 23:26
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Difficulty:

  25% (medium)

Question Stats:

69% (00:34) correct 31% (01:01) wrong based on 68 sessions

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What is the value of A?

(1) A|A| = -4

(2) -3 < A < -1
[Reveal] Spoiler: OA

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Joined: 19 Apr 2016
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Re: What is the value of A? (1) A|A| = -4 (2) -3 < A < -1 [#permalink]

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New post 16 Sep 2017, 23:33
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A

Since IAI is always positive
We have A<0, therefore
-A^2 =-4
A=(+/-)2

Put value of A in A|A|=-4
Only A =-2 works
Hence St I is sufficient

St II says -3<A<-1 but since we don't know if A is integer or not st II in insufficient


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Kudos [?]: 193 [1], given: 59

Re: What is the value of A? (1) A|A| = -4 (2) -3 < A < -1   [#permalink] 16 Sep 2017, 23:33
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