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Is x > 2? (1) x is positive (2) x^2 > 9

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Math Expert
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Joined: 02 Sep 2009
Posts: 51162
Is x > 2? (1) x is positive (2) x^2 > 9  [#permalink]

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New post 02 Aug 2018, 00:36
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

81% (00:25) correct 19% (00:31) wrong based on 31 sessions

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Joined: 30 Jan 2015
Posts: 665
Location: India
Concentration: Operations, Marketing
GPA: 3.5
Re: Is x > 2? (1) x is positive (2) x^2 > 9  [#permalink]

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New post 02 Aug 2018, 01:23
(1) x is positive
Multiple values,both less than and greater than 2
Insufficient

(2) x^2 > 9
Both positive and negative are possible > 3 or > -3
Insufficient

Combining both :
A positive and greater than 3
Sufficient

Hence, C.
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Re: Is x > 2? (1) x is positive (2) x^2 > 9  [#permalink]

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New post 02 Aug 2018, 01:50
Bunuel wrote:
Is x > 2?


(1) x is positive

(2) x^2 > 9


we are asked to determine whether x is greater than 2 .

Statement 1: x is positive. So x could be 1. NOT sufficient.

Statement 2: x^2 > 9. So, x could be +4 or -4 minimum. No specific values.

Combining both Statements :

x is positive and x>3.

The best answer is C.
GMAT Club Bot
Re: Is x > 2? (1) x is positive (2) x^2 > 9 &nbs [#permalink] 02 Aug 2018, 01:50
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Is x > 2? (1) x is positive (2) x^2 > 9

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