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# If x and y are positive integers, which of the following

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Joined: 10 Feb 2006
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If x and y are positive integers, which of the following [#permalink]

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23 Nov 2007, 14:08
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

If x and y are positive integers, which of the following CANNOT be the greatest common divisor of 35x and 20y?
5
5(x – y)

20x
20y
35x
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Re: MGMT - GCF [#permalink]

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23 Nov 2007, 14:46
alimad wrote:
If x and y are positive integers, which of the following CANNOT be the greatest common divisor of 35x and 20y?
5
5(x – y)

20x
20y
35x

B. though we do not exactly know what are x and y, it is 5(x-y).
Re: MGMT - GCF   [#permalink] 23 Nov 2007, 14:46
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# If x and y are positive integers, which of the following

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