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# If x is an integer, is x^3 divisible by 9? (1) x^2 is divisible by 9.

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BSchool Forum Moderator
Joined: 28 Mar 2017
Posts: 1219
Location: India
GMAT 1: 730 Q49 V41
GPA: 4
If x is an integer, is x^3 divisible by 9? (1) x^2 is divisible by 9.  [#permalink]

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06 Dec 2017, 09:47
00:00

Difficulty:

(N/A)

Question Stats:

25% (00:02) correct 75% (01:06) wrong based on 4 sessions

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If x is an integer, is $$x^3$$ divisible by 9?

(1) $$x^2$$ is divisible by 9.
(2) $$x^4$$ is divisible by 9

As per the source, answer to this question is D, but I don't agree. I think answer should be E.

--== Message from the GMAT Club Team ==--

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This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

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Joined: 02 Sep 2009
Posts: 52431
Re: If x is an integer, is x^3 divisible by 9? (1) x^2 is divisible by 9.  [#permalink]

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06 Dec 2017, 09:51
gmatexam439 wrote:
If x is an integer, is $$x^3$$ divisible by 9?

(1) $$x^2$$ is divisible by 9.
(2) $$x^4$$ is divisible by 9

As per the source, answer to this question is D, but I don't agree. I think answer should be E.

Discussed here: if-x-is-an-integer-is-x-3-divisible-by-165973.html

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

_________________
Re: If x is an integer, is x^3 divisible by 9? (1) x^2 is divisible by 9. &nbs [#permalink] 06 Dec 2017, 09:51
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