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# If x and y are positive integers such that x = 8y+12, what

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GMAT Club Legend
Joined: 07 Jul 2004
Posts: 5043
Location: Singapore
If x and y are positive integers such that x = 8y+12, what [#permalink]

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11 Sep 2004, 06:09
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If x and y are positive integers such that x = 8y+12, what is the highest common factor of x and y ?

1)x = 12u, where u is an integer
2) y = 12z, where z is an intger
Director
Joined: 20 Jul 2004
Posts: 592

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11 Sep 2004, 07:22
I think B.
This Q has been discussed atleast twice in the last 2 weeks. Please do a search and you might get a good discusion.
Joined: 31 Dec 1969
Location: Russian Federation
GMAT 3: 740 Q40 V50
GMAT 4: 700 Q48 V38
GMAT 5: 710 Q45 V41
GMAT 6: 680 Q47 V36
GMAT 9: 740 Q49 V42
GMAT 11: 500 Q47 V33
GMAT 14: 760 Q49 V44
WE: Supply Chain Management (Energy and Utilities)

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11 Sep 2004, 08:16
hardworker, I've tried looking high and low for the earlier posts but can't find them. If you have the link, do post them here ! thanks.
11 Sep 2004, 08:16
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