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# If a and b are consecutive positive integers, and ab = 30x,

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Joined: 31 Jul 2017
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If a and b are consecutive positive integers, and ab = 30x,  [#permalink]

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06 Feb 2018, 00:41
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Difficulty:

45% (medium)

Question Stats:

67% (02:06) correct 33% (01:07) wrong based on 6 sessions

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If a and b are consecutive positive integers, and $$ab = 30x$$, is x an integer?

I. $$a^2$$ is divisible by 25.
II. 63 is a factor of $$b^2$$.

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Joined: 27 Nov 2017
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Re: If a and b are consecutive positive integers, and ab = 30x,  [#permalink]

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06 Feb 2018, 00:59
Belive it should be C.. As we would have factors from both the staments as 5 9 and 7 so x should be some.. faction

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Re: If a and b are consecutive positive integers, and ab = 30x,  [#permalink]

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06 Feb 2018, 01:42
rahul16singh28 wrote:
If a and b are consecutive positive integers, and $$ab = 30x$$, is x an integer?

I. $$a^2$$ is divisible by 25.
II. 63 is a factor of $$b^2$$.

Discussed here: if-a-and-b-are-consecutive-positive-integers-and-ab-30x-163958.html

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

This is not a quality discussion. 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.

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Re: If a and b are consecutive positive integers, and ab = 30x, &nbs [#permalink] 06 Feb 2018, 01:42
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