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Is the number of members of Club X greater than the number

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Joined: 31 Dec 1969
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Is the number of members of Club X greater than the number [#permalink] New post 25 Oct 2004, 20:11
Is the number of members of Club X greater than the number of members of Club Y ?
(1) Of the members of Club X, 20 percent are also members of Club Y.
(2) Of the members of Club Y, 30 percent are also members of Club X.
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 [#permalink] New post 25 Oct 2004, 21:27
My answer will be C

Assuming that k = the common number between x and y clubs

k = 20%x
k = 30%y

from 1 and 2, 20%x = 30%y or x/y = 3/2. So number of members of x is greater.
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 [#permalink] New post 25 Oct 2004, 23:33
I also agree with C.
making a venn diagram we come on 2 equations
X = X + .3Y
Y = Y + .2X

=>.3y = .2x
or x/y =3/2

so, X > Y.
hence C
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  [#permalink] 25 Oct 2004, 23:33
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Is the number of members of Club X greater than the number

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