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# If x and y are integer, is y < 0?

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Intern
Joined: 16 Apr 2017
Posts: 45
If x and y are integer, is y < 0?  [#permalink]

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06 Jul 2017, 11:30
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Difficulty:

15% (low)

Question Stats:

82% (00:53) correct 18% (01:05) wrong based on 37 sessions

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If x and y are integer, is y < 0?

(1) x +2 > 0
(2) x * y < 0

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Math Expert
Joined: 02 Sep 2009
Posts: 54376
Re: If x and y are integer, is y < 0?  [#permalink]

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06 Jul 2017, 11:43
If x and y are integer, is y < 0?

(1) x +2 > 0

x > -2. Since given that x is an integer, x could be -1, 0, 1, 2, 3, ... We know nothing about y. Not sufficient.

(2) x * y < 0. This implies that x and y have different signs. Not sufficient.

(1)+(2) Still not sufficient: if x is negative, so if x = -1, the y will be positive but if x is positive (1, 2, 3, ...), then y will be negative. Not sufficient.

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Re: If x and y are integer, is y < 0?   [#permalink] 06 Jul 2017, 11:43
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