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# x^2=16

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x^2=16 [#permalink]  16 May 2018, 09:06
Expert's post
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Question Stats:

80% (00:12) correct 20% (00:27) wrong based on 5 sessions
$$x^2=16$$

$$y^3=64$$

 Quantity A Quantity B x y

A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

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Kudos [?]: 100 [1] , given: 3

Re: x^2=16 [#permalink]  16 May 2018, 09:24
1
KUDOS
x can be + or - 4 as it is square

But y is +4 as it is cube. And if cube is +ve then the number s also +ve.

However if A is positive, A = B
else A is less than B.

Hence cannot be determined
Re: x^2=16   [#permalink] 16 May 2018, 09:24
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