Five people are in a room for a meeting. When the meeting ends, each person shakes hands with each of the other people in the room exactly once. The total number of handshakes that occurs is
Answer Choices
A. 5
B. 10
C. 12
D. 15
E. 25
Five people are in a room for a meeting. When the meeting ends, each person shakes hands with each of the other people in the room exactly once. The total number of handshakes that occurs is
Answer Choices
A. 5
B. 10
C. 12
D. 15
E. 25