zisis wrote:
3/8 of all students at Social High are in all three of the following clubs: Albanian, Bardic, and Checkmate. 1/2 of all students are in Albanian, 5/8 are in Bardic, and 3/4 are in Checkmate. If every student is in at least one club, what fraction of the student body is in exactly 2 clubs?
(A) 1/8
(B) 1/4
(C) 3/8
(D) 1/2
(E) 5/8
let total = 64
so all three = 3/8*64 ; 24
A=32
B=40
C=48
64=32+40+48-(2*24)-exactly 2
exactly 2 = 8 i/e 1/8 of 64
IMO A
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