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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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Concentration: General Management, Healthcare
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WE: Pharmaceuticals (Health Care)
For integers x and y, if x^y=256, how many different values  [#permalink]

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24 Jan 2019, 06:37
00:00

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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Chasing the dragon

Math Expert
Joined: 02 Sep 2009
Posts: 52902
Re: For integers x and y, if x^y=256, how many different values  [#permalink]

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24 Jan 2019, 06:43
1
fitzpratik wrote:
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

Check here: https://gmatclub.com/forum/if-x-and-y-a ... 43402.html
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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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