Theories, Problems, Solutions :: Pleased to Meet You

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Pleased to Meet You

by Crazy Horse on Tue 05 Jul 2005 12:31 PM EDT | Permanent Link | Cosmos

If seven people meet each other and each shakes hands only once with each of the other, how many handshakes will have taken place?

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Re: Pleased to Meet You

by Anonymous on Tue 21 Jul 2009 06:39 AM EDT | Permanent Link

21 handshakes

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