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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Manager
Joined: 08 Apr 2004
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Is the number of members of Club X greater than the number [#permalink]

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05 Sep 2004, 02:04
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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.
Director
Joined: 31 Aug 2004
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05 Sep 2004, 02:54
I do not see any total number of members enabling me to decide wether X or Y is bigger
Director
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05 Sep 2004, 08:11
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We dont have to give the exact number. We just have to say a "Yes or No" for "Is X club bigger than Y club?"

C.

Let the number of people in X be 600.
Members shared by X is 20% = 120
Same share is 30% of Y, therefore:
(30/100)Y = 120
Y = 400
Ans to the question "Is X club bigger than Y club?" is Yes.
Manager
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05 Sep 2004, 16:00
Umm, where in the question is it said that the 30% Club Y members who are also Club X members are the same 20% Club X members who are also Club Y numbers? The two groups could be totally different, partially the same, or all the same. But the question doesn't specify that.
05 Sep 2004, 16:00
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