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Bella, Aiden, Chris and Dylan join a math game competition. Each round 2 people among the 4 people are
randomly chosen to have a match. If after n rounds there must be at least two people matched at least four
times already, find the least value of n.

 Aug 9, 2020
 #1
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The least value of N is 4.

The same two people could be chosen every time.

 

But if you mean that there HAS to be 2 people paired 4 times for certain then the answer would be 4C2*4 = 6*4= 24 I think.

 Aug 9, 2020

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