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Hand Shakes

Math brain teasers require computations to solve.

 

Puzzle ID:#2196
Fun:*** (2.37)
Difficulty:** (1.35)
Category:Math
Submitted By:Cascas***

 

 

 



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

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Answer

21.
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Comments

pusandave
Mar 28, 2002

Fun!
tell-UN-igent*
Mar 29, 2002

Easy, but fun to do.
O_wise_one*
Jun 01, 2002

I agree with both of U.
bmotts*
Aug 23, 2002

Nice context
javaguru*us*
Feb 23, 2009

Yawn.
Jimbo*au*
Apr 21, 2009

=7C2

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