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There are 7 people on committee A and 8 people on committee B. If thre

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Math Expert
Joined: 02 Sep 2009
Posts: 55732
There are 7 people on committee A and 8 people on committee B. If thre  [#permalink]

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07 Jan 2019, 03:38
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Difficulty:

15% (low)

Question Stats:

76% (00:36) correct 24% (00:55) wrong based on 39 sessions

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There are 7 people on committee A and 8 people on committee B. If three people serve on both committees, how many people serve on only one of the committees?

A. 8
B. 9
C. 10
D. 11
E. 12

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Director
Joined: 18 Jul 2018
Posts: 940
Location: India
Concentration: Finance, Marketing
WE: Engineering (Energy and Utilities)
Re: There are 7 people on committee A and 8 people on committee B. If thre  [#permalink]

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07 Jan 2019, 22:23
Committee A = 7
Committee B = 8
Committee A and B = 3
Only Committee A = 7-3 = 4
Only Committee B = 8-3 = 5
Only Committee A and B = 4+5 = 9

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Re: There are 7 people on committee A and 8 people on committee B. If thre   [#permalink] 07 Jan 2019, 22:23
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