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If x and y are positive integers such that x = 5y + 10, what is the gr

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If x and y are positive integers such that x = 5y + 10, what is the gr  [#permalink]

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New post 01 Sep 2017, 23:50
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A
B
C
D
E

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Question Stats:

88% (00:25) correct 13% (00:00) wrong based on 8 sessions

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If x and y are positive integers such that x = 5y + 10, what is the greatest common divisor of x and y?

(1) x = 10u, where u is an integer
(2) y = 10z, where z is an integer

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Re: If x and y are positive integers such that x = 5y + 10, what is the gr  [#permalink]

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New post 01 Sep 2017, 23:53
B should be the answer. (2) is sufficient but (1) is not

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Re: If x and y are positive integers such that x = 5y + 10, what is the gr  [#permalink]

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New post 02 Sep 2017, 03:34
bkpolymers1617 wrote:
If x and y are positive integers such that x = 5y + 10, what is the greatest common divisor of x and y?

(1) x = 10u, where u is an integer
(2) y = 10z, where z is an integer


This is a copy of the following question: if-x-and-y-are-positive-integers-such-that-x-8y-12-what-is-the-126743.html

Hope it helps.

--== 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.

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Re: If x and y are positive integers such that x = 5y + 10, what is the gr   [#permalink] 02 Sep 2017, 03:34
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If x and y are positive integers such that x = 5y + 10, what is the gr

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