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Math Forum » Discussions » sci.math.* » sci.math.independent

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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gaya.patel@gmail.com

Posts: 143
Registered: 11/29/05
how many ways to pick two teams of 10 out of a group of 20 people
Posted: Feb 5, 2013 2:45 AM
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Is it 20 choose 10 or do I have to divide by 2?

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