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7 January, 19:06

My club has 25 members. In how many ways can I choose members to form a 4-person executive committee?

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  1. 7 January, 21:53
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    Answer: 12650

    Step-by-step explanation:

    It can be done in C25 4 = 25! / (25-4) !/4! = 25!/21! / (2*3*4) =

    =22*23*24*25/24=22*23*25 = 12650 variants
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