There are 16 teams in a soccer tournament . If everyone plays against everyone exactly once, how many games are there going to be?
Q1. There are 16 teams in a soccer tournament . If everyone plays against everyone exactly once, how many games are there going to be?
Answer: 120
Explanation: Each pair of 16 teams plays once; total games = C(16,2) = 16×15/2 = 120.