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Math Help - couples problem

  1. #1
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    couples problem

    no of ways of dividing 15 men and 15 women into 15 couples each consisting of men and women
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  2. #2
    MHF Contributor alexmahone's Avatar
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    The first man can be paired with any of the 15 women, the second man with any of the remaining 14 women and so on. So the total no of ways is 15x14x...x1=15!.
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    but the answer is coming out to be 1240
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  4. #4
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    Quote Originally Posted by prasum View Post
    but the answer is coming out to be 1240
    15!=1307674368000
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