In a kickball competition of 9 teams, how many possible matches can each team play with each other? Choose the most appropriate option.
A) 9 B) 16 C) 24 D) 36 E) 54
Each team can play with each other in 9C2 ways   9C2 = 9*8 / 1*2 = 36   Option 36
<result>D</result>
In a kickball competition of 9 teams, how many possible matches can each team play with each other?