parkhydel wrote:
If each of the 12 teams participating in a certain tournament plays exactly one game with each of the other teams, how many games will be played?
A. 144
B. 132
C. 66
D. 33
E. 23
PS28101.02
Asked: If each of the 12 teams participating in a certain tournament plays exactly one game with each of the other teams, how many games will be played?
Number of games which will be played = 12C2 = 66
IMO D
