There are XNUMX people at a party
And each of them wants to shake hands with the other two people. How many handshakes will take place in this celebration?
The answer is: 3
At this celebration, there will be a total of three handshakes.
Each person will want to shake hands with the other two people, so each person will want to shake hands with two other people.
This will result in three handshakes in total.
