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# A club with a total membership of 30 has formed 3 committees

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Manager
Joined: 23 Mar 2008
Posts: 221
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A club with a total membership of 30 has formed 3 committees [#permalink]  10 May 2008, 22:19
A club with a total membership of 30 has formed 3 committees M,S and R, which have 8,12 and 5 memebers respectively. If no member of committee M is on either of the other 2 committees, what is the greatest possible number of members in the club who are on none of the committees?

a) 5
b) 7
c) 8
d) 10
e) 12
Director
Joined: 23 Sep 2007
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Re: committee [#permalink]  10 May 2008, 22:45
10

all 5 members of group S can be part of group R (which is 12)

12 (group S/R) + 8 (groupM) = 20

30-20=10
Intern
Joined: 29 Apr 2008
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Re: committee [#permalink]  11 May 2008, 05:45
10 used same logic as gmatnub
Re: committee   [#permalink] 11 May 2008, 05:45
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