Bunuel wrote:
There are four distinct pairs of brothers and sisters. In how many ways can a committee of 3 be formed and NOT have siblings in it?
A. 8
B. 24
C. 32
D. 56
E. 80
Notes:
-- We are selecting, not arranging groups/people, so we use combinations
-- There is no replacement, in fact "choose 1 sibling" requires us to remove the other possible sibling for the next step
-- The 4 pairs are different, but the people in them count as identical (each is a sibling rather than boy/girl). So we are
...
![Aqua Node Phizmo Transwave Synthesizer WiN [FREE]](http://audioz.download/uploads/posts/2026-07/thumbs/1784996499_3415243447.webp)
![Will Linley – Head First – Single [iTunes Plus M4A]](http://is1-ssl.mzstatic.com/image/thumb/Music211/v4/3a/fe/29/3afe2925-2b4b-c869-f8bf-8a81bcd2ac03/26UMGIM95096.rgb.jpg/316x316bb.webp)
