maishamir2014 maishamir2014

04-07-2016
Mathematics

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How many 5-card hands can be formed that include exactly 2 pairs? (example 2 queens, 2 kings)

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HannahHood9400 HannahHood9400

04-07-2016

10. Here's why:
K,K,K,K,QQ,Q,Q,J,JJ,J,10,10,1010,9,9,9,98,8,8,8,77,7,7,6,66,6,5,5,55,4,4,4,43,3,3,3,22,2,2,A,AA,A

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