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

Author Message
Director
Joined: 28 Mar 2017
Posts: 825

Kudos [?]: 212 [0], given: 143

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

[Reveal] Spoiler:
As per the source, answer to this question is D, but I don't agree. I think answer should be E.
[Reveal] Spoiler: OA

_________________

Kudos [?]: 212 [0], given: 143

Math Expert
Joined: 02 Sep 2009
Posts: 43348

Kudos [?]: 139643 [0], given: 12794

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

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

Discussed here: https://gmatclub.com/forum/if-x-is-an-i ... 65973.html
_________________

Kudos [?]: 139643 [0], given: 12794

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