Asked by robin

how many ways can a 3 person committee be formed from 12 people

Answers

Answered by Reiny
C(12,3)
= 12!/(3!9!)
= 220

Added attraction:
Google Pascal's triangle
look at the row: 1 12 66 220 495 ....

here is a good one..
http://ptri1.tripod.com/
Answered by Charles
Two committees, one with six and one with seven people, with no one person serving on both committees at the same time. In how many ways can this be done.
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