SOLUTION: In how many ways can 3 of 10 people be elected to the positions of president, secretary, and treasurer?

Question 522114: In how many ways can 3 of 10 people be elected to the positions of president, secretary, and treasurer?
Found 2 solutions by umnikmo, sudhanshu_kmr:
Answer by umnikmo(75) (Show Source): You can put this solution on YOUR website!
N=10C3=10!/(3!*7!)=8*9*10/6=120
Answer by sudhanshu_kmr(1152) (Show Source): You can put this solution on YOUR website!

Number of ways = 10P3 = 10*9*8 = 720

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