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If the product xy is negative, which of the following must be true?

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Math Expert
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Joined: 02 Sep 2009
Posts: 59622
If the product xy is negative, which of the following must be true?  [#permalink]

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New post 06 Nov 2018, 00:08
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

93% (00:25) correct 7% (00:30) wrong based on 56 sessions

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VP
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D
Joined: 31 Oct 2013
Posts: 1491
Concentration: Accounting, Finance
GPA: 3.68
WE: Analyst (Accounting)
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Re: If the product xy is negative, which of the following must be true?  [#permalink]

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New post 06 Nov 2018, 00:41
1
Bunuel wrote:
If the product xy is negative, which of the following must be true?

A. x < 0
B. y < 0
C. x/y > 0
D. x/y < 0
E. x + y < 0



xy<0.

It means either x or y is negative. we are not sure which one is negative.

Option C) x/y <0. All time.

One of them is negative . thus ultimate result is negative.

The best answer is D.
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Concentration: Social Entrepreneurship, Healthcare
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Re: If the product xy is negative, which of the following must be true?  [#permalink]

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New post 22 Nov 2019, 23:22
XY<0 => Either one of X or Y is negative. In such a case X/Y is always negative.

Ans D
GMAT Club Bot
Re: If the product xy is negative, which of the following must be true?   [#permalink] 22 Nov 2019, 23:22
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If the product xy is negative, which of the following must be true?

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