Everybody in a room shakes hands with everybody else. The total number of hand-shakes is 55. The total number of persons in the room is:
5 1245 5ea8f8583dbbdc761959abde
Q:
Everybody in a room shakes hands with everybody else. The total number of hand-shakes is 55. The total number of persons in the room is:
- 111true
- 212false
- 38false
- 414false
- 5None of thesefalse
- Show Answer
- Workspace
- Discuss