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# If (xy)^(1/2) = 0, what is the value of x ?

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Math Expert
Joined: 02 Sep 2009
Posts: 41873

Kudos [?]: 128564 [0], given: 12180

If (xy)^(1/2) = 0, what is the value of x ? [#permalink]

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05 Sep 2017, 23:30
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Question Stats:

82% (00:45) correct 18% (00:33) wrong based on 20 sessions

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If $$\sqrt{xy}= 0$$, what is the value of x ?

(1) y = 0
(2) x - y = 0
[Reveal] Spoiler: OA

_________________

Kudos [?]: 128564 [0], given: 12180

Director
Joined: 18 Aug 2016
Posts: 511

Kudos [?]: 139 [0], given: 123

GMAT 1: 630 Q47 V29
Re: If (xy)^(1/2) = 0, what is the value of x ? [#permalink]

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06 Sep 2017, 00:34
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Bunuel wrote:
If $$\sqrt{xy}= 0$$, what is the value of x ?

(1) y = 0
(2) x - y = 0

(1) x can take any number.not sufficient

(2) x and y both can take only 0 as their values are equal and their product is 0
Sufficient

B
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We must try to achieve the best within us

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Luckisnoexcuse

Kudos [?]: 139 [0], given: 123

Re: If (xy)^(1/2) = 0, what is the value of x ?   [#permalink] 06 Sep 2017, 00:34
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# If (xy)^(1/2) = 0, what is the value of x ?

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