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# Compare Quantities A & B - 5X*3 and (5x)"3 (From Ready4GRE)

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Compare Quantities A & B - 5X*3 and (5x)"3 (From Ready4GRE) [#permalink]  02 Feb 2017, 12:16
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100% (00:06) correct 0% (00:00) wrong based on 1 sessions
Hi,

This is a bit confusing. Can someone please explain this to me?

 Quantity A Quantity B $$5x^3$$ $$(5x)^3$$

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

Last edited by mpmbtr on 23 Aug 2017, 07:14, edited 2 times in total.
Edited by carcass
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Joined: 07 Jun 2014
Posts: 4710
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
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Re: Compare Quantities A & B - 5X*3 and (5x)"3 (From Ready4GRE) [#permalink]  02 Feb 2017, 18:23
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Expert's post
Quantity A - $$5x^3$$

Quantity B - $$(5x)^3$$

Since nothing is mentioned about x. Put x =0 and X=1.

When x =0 Quantity A = Quantity B = 0 C should be correct.

When x=1 Quantity A=5 and Quantity B = 125 B should be correct..

Thus clearly the option that is correct is D.
_________________

Sandy
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Re: Compare Quantities A & B - 5X*3 and (5x)"3 (From Ready4GRE)   [#permalink] 02 Feb 2017, 18:23
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# Compare Quantities A & B - 5X*3 and (5x)"3 (From Ready4GRE)

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