Math, asked by sonamchauhan9029, 1 year ago

The number of ways of dividing 20 persons into 10 couples is

Answers

Answered by 10Vatsal71

1

You should divide 20 by 2 to get 10 couples.

Answered by rachit751

2

20C10
=20!÷[(20-10)!*10*]
=20!/10!*10!
=670442572800*10!/10!*10!
=670442572800/3628800
=184756

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