Question

in a meeting, htere are four people, each person shakes every other persons hand, how many hand shakes are there?

Answer 1

Answer:

10 handshakes

Step-by-step explanation:

If two people shake hands there is one handshake. If three people shake hands there are 3 handshakes. If four people shake hands there are 3 more handshakes so 3 + 3 = 6 in total. If five people shake hands there are another 4 handshakes so 6 + 4 = 10.