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# M17-32

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Math Expert
Joined: 02 Sep 2009
Posts: 43898
M17-32 [#permalink]

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16 Sep 2014, 00:02
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Difficulty:

55% (hard)

Question Stats:

57% (01:11) correct 43% (01:20) wrong based on 157 sessions

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If $$x$$ and $$y$$ are positive, is $$x \gt y^2$$?

(1) $$y \gt x^2$$

(2) $$y = x + 1$$
[Reveal] Spoiler: OA

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Math Expert
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Posts: 43898
Re M17-32 [#permalink]

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16 Sep 2014, 00:02
Official Solution:

(1) $$y &gt; x^2$$. If $$x=1$$ and $$y=4$$, then the answer is NO but if $$x=y=\frac{1}{2}$$, then the answer is YES. Not sufficient.

(2) $$y = x + 1$$. The question becomes: is $$x \gt (x+1)^2$$? Which cannot be true for ANY value of $$x$$. So, the answer to the question is NO. Sufficient.

Answer: B
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GMAT 1: 640 Q48 V29
Re: M17-32 [#permalink]

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24 May 2017, 05:50
The answer must be option B. My take :

Option A - Can be true or false depending upon the value of x and y. x and y could integers or fractions , hence the result will be inconsistent.

Option B - True. No value of x and y will satisfy this.

The answer must be B
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Re: M17-32   [#permalink] 24 May 2017, 05:50
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# M17-32

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