Question

There are 24 people in a room and everyone shakes hands with everyone else one time. How many handshakes occur?

Answer 1

24 x 2....=48.
There is two hands being used each handshake. One from each person.
In which it counts as 48 handshakes. :)

Answer 2

You have to do 24x23 the 24 represents the number of people the 23 represents how many handshakes a person makes so the answer is 552 handshakes will be made altogether.