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

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Joined: 07 Jul 2004
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If x and y are positive integers such that x = 8y+12, what [#permalink]  11 Sep 2004, 05:09
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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: 593
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Kudos [?]: 53 [0], given: 0

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: India
Concentration: Strategy, Human Resources
GMAT 1: 710 Q49 V0
GMAT 2: 740 Q40 V50
GMAT 3: 700 Q48 V38
GMAT 4: 710 Q45 V41
GPA: 3.31
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Kudos [?]: 93 [0], given: 88336

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.
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