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GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4710
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 91

Kudos [?]: 1612 [0], given: 375

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Compare [#permalink] New post 29 Apr 2018, 00:44
Expert's post
00:00

Question Stats:

87% (00:29) correct 12% (00:26) wrong based on 8 sessions
Quantity A
Quantity B
\((y-x)^{7}\)
\((y-x)^{2}\)


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

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Sandy
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2 KUDOS received
Intern
Intern
Joined: 19 Apr 2018
Posts: 1
Followers: 0

Kudos [?]: 2 [2] , given: 5

Re: Compare [#permalink] New post 03 May 2018, 02:13
2
This post received
KUDOS
I think the correct answer is D.

Explanation:
y=1, x=1,then: 0=0
y=3, x=1,then: 123>4
y=1, x=3,then: -123<4
GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4710
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 91

Kudos [?]: 1612 [0], given: 375

CAT Tests
Re: Compare [#permalink] New post 13 May 2018, 15:38
Expert's post
Explanation

Try plugging in values for x and y.

If x = 1 and y = 3, then Quantity A is \(2^7\) and Quantity B is \(2^2\).

Quantity A is greater, so eliminate choices (B) and (C).

Then try x = 1 and y = 1; now both quantities are equal, so eliminate choice (A) and select choice (D).
_________________

Sandy
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Re: Compare   [#permalink] 13 May 2018, 15:38
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