Arcane
[ ahr-keyn ]
Handshaking Riddle
If seven people meet each other and each shakes hands only once with each of the others, how many handshakes will there have been?
Day: January 21, 2020
[ ahr-keyn ]
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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