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Topic: how many ways to pick two teams of 10 out of a group of 20 people
Replies: 12   Last Post: Feb 5, 2013 2:20 PM

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Scott Berg

Posts: 1,834
Registered: 12/12/04
Re: how many ways to pick two teams of 10 out of a group of 20 people
Posted: Feb 5, 2013 2:11 PM
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"G Patel" <gaya.patel@gmail.com> wrote in message
news:13ae8675-030d-4087-94e6-4490d6b7662c@googlegroups.com...
> Is it 20 choose 10 or do I have to divide by 2?
>
>


are each of the people, unique ?

are there any biological twins dressed alike ?

are any of these people identical to each other ?





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