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/
    
= 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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