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# If x < y, is x^2 > y^3?

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Manager
Joined: 15 Dec 2015
Posts: 115
GMAT 1: 660 Q46 V35
GPA: 4
WE: Information Technology (Computer Software)
If x < y, is x^2 > y^3?  [#permalink]

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Updated on: 31 Jul 2017, 06:40
00:00

Difficulty:

35% (medium)

Question Stats:

79% (01:28) correct 21% (01:22) wrong based on 27 sessions

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If x < y, Is $$x^2>y^3$$?

(1) $$|x|y < 0$$

(2) $$x^3<y^3$$

Originally posted by DHAR on 31 Jul 2017, 06:16.
Last edited by Bunuel on 31 Jul 2017, 06:40, edited 1 time in total.
Renamed the topic and edited the question.
Manager
Joined: 15 Dec 2015
Posts: 115
GMAT 1: 660 Q46 V35
GPA: 4
WE: Information Technology (Computer Software)
Re: If x < y, is x^2 > y^3?  [#permalink]

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31 Jul 2017, 06:22
x<y , x^2-X^3>0
+-(+/-)>0?

1. |x|y<0
(+) - <0 Sufficient

2. x^3-y^3<0
(-)-(-)<0 ☓
(+)-(-)<0 ✓ A
Re: If x < y, is x^2 > y^3?   [#permalink] 31 Jul 2017, 06:22
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