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If x is a positive integer, which is greater: x^2 or x^3?

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Senior Manager
Senior Manager
Joined: 20 May 2014
Posts: 282
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Kudos [?]: 49 [0], given: 220

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If x is a positive integer, which is greater: x^2 or x^3? [#permalink] New post 29 Oct 2017, 01:58
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Question Stats:

81% (00:10) correct 18% (00:04) wrong based on 11 sessions
x is a positive integer

Quantity A
Quantity B
x^2
x^3



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

Kudos for correct solution.
[Reveal] Spoiler: OA
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Director
Director
Joined: 03 Sep 2017
Posts: 521
Followers: 1

Kudos [?]: 327 [1] , given: 66

Re: If x is a positive integer, which is greater: x^2 or x^3? [#permalink] New post 30 Oct 2017, 07:30
1
This post received
KUDOS
x positive can be both between 0 and 1 and over 1. Thus, when x is between 0 and 1, x^3 is smaller than x^2 and quantity A is larger. When x > 1, x^3 is greater than x^2 and quantity B is greater. Thus, Answer D
Re: If x is a positive integer, which is greater: x^2 or x^3?   [#permalink] 30 Oct 2017, 07:30
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If x is a positive integer, which is greater: x^2 or x^3?

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