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# xyz < 0

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xyz < 0 [#permalink]  20 Oct 2017, 02:40
Expert's post
00:00

Question Stats:

75% (00:27) correct 25% (00:54) wrong based on 4 sessions

$$xyz < 0$$

 Quantity A Quantity B $$x + y + z$$ $$2x + 2y + 2z$$

A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

_________________
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Re: xyz < 0 [#permalink]  20 Oct 2017, 06:17
The fact that xyz < 0 does not give enough information about the unknowns to be able to compare the two quantities. We just know that two of them should be positive and the other negative but nothing more. Given that we can't compare the quantities answer is D!
Re: xyz < 0   [#permalink] 20 Oct 2017, 06:17
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