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For integers x and y, if x^y=256, how many different values

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Joined: 16 Oct 2016
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Location: India
Concentration: General Management, Healthcare
GMAT 1: 640 Q40 V38
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GPA: 3.05
WE: Pharmaceuticals (Health Care)
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For integers x and y, if x^y=256, how many different values  [#permalink]

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New post 24 Jan 2019, 06:37
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A
B
C
D
E

Difficulty:

  55% (hard)

Question Stats:

33% (00:17) correct 67% (01:31) wrong based on 6 sessions

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For integers x and y, if \(x^y\)=256, how many different values \(y^x\) could be?

A. Three

B. Four

C. Five

D. Six

E. Seven

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Re: For integers x and y, if x^y=256, how many different values  [#permalink]

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New post 24 Jan 2019, 06:43
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Re: For integers x and y, if x^y=256, how many different values   [#permalink] 24 Jan 2019, 06:43
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For integers x and y, if x^y=256, how many different values

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