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Is x greater than 0? (1) x^3 is less than 0 (2) 3x = -3

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Joined: 18 Sep 2018
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Is x greater than 0? (1) x^3 is less than 0 (2) 3x = -3  [#permalink]

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New post Updated on: 18 Sep 2018, 10:12
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A
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D
E

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  25% (medium)

Question Stats:

90% (00:25) correct 10% (00:34) wrong based on 10 sessions

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Is x greater than 0?


(1) x^3 is less than 0

(2) 3x = -3

Originally posted by isroliva on 18 Sep 2018, 10:09.
Last edited by Bunuel on 18 Sep 2018, 10:12, edited 1 time in total.
Renamed the topic, edited the question and added the OA.
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Re: Is x greater than 0? (1) x^3 is less than 0 (2) 3x = -3  [#permalink]

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New post 18 Sep 2018, 10:23
(1) x^3 is less than 0
Therefore x<0 - sufficient

(2) 3x = -3
Therefore x= (-1) - sufficient

Answer D

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Re: Is x greater than 0? (1) x^3 is less than 0 (2) 3x = -3  [#permalink]

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New post 18 Sep 2018, 12:51
isroliva wrote:
Is x greater than 0?

(1) x^3 is less than 0
(2) 3x = -3


Statement 1: X^3<0
this implies that x<0.
Sufficient.

Statement 2: 3x=-3
X=-1
Sufficient.

Answer: D
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Re: Is x greater than 0? (1) x^3 is less than 0 (2) 3x = -3 &nbs [#permalink] 18 Sep 2018, 12:51
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