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DS4-4

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11 Jun 2004, 18:27
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GMAT Club Legend
Joined: 15 Dec 2003
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11 Jun 2004, 18:58
B it is
1) can be any product that can equal 16
2) 2/3 * x/y = 2/3 * 1/1 --> x/y = 1 --> suff.
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12 Jun 2004, 00:06
note that X and Y can be both negative
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12 Jun 2004, 00:32
Bhai wrote:

1 is not sufficient, while 2 is sufficient:

2x:3y = 6:9 => x:y = 3:3 = 1:1.
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12 Jun 2004, 00:34
stolyar wrote:
note that X and Y can be both negative

Yes, they can, but how this can influence the answer:

(x, y) <=> (-x, -y) because x:y = (-x):(-y).
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21 Jun 2004, 11:34
B is the ans....

A says xy= 16... thr cud be three different ratios 16*1 2*8 4 X 4...

and X and Y CUD be any one of these six values...

B) 2x/3y=2/3 and hence x/y wud b 1:1

hope that helps!

Have fun ...
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21 Jun 2004, 11:34
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