In a certain cricket tournament 45 matches were played. Each team played once against each of the other teams. The number of teams participated in the tournament is
A. 8
B. 10
C. 12
D. 210
Answer:B
In a certain cricket tournament 45 matches were played. Each team played once against each of the other teams. The number of teams participated in the tournament is
A. 8 B. 10 C. 12 D. 210