Is the number of members of Club X greater than the number : DS Archive
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Is the number of members of Club X greater than the number

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Is the number of members of Club X greater than the number [#permalink]

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30 Apr 2006, 06:46
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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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30 Apr 2006, 07:38
C.

We know from (1) and (2) that

20/100 x = 30/100 y

So x = 1.5 y. Therefore, group x has 50% more
members than group y.
30 Apr 2006, 07:38
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