Give stream of consciousness and then the final answer. There are 16 teams in a tournament. If during the first round, each team plays every other team exactly once, how many games will be played in the first round?
Options:
(A) 15
(B) 30
(C) 120
(D) 240
(E) 256
Number of ways to pick 2 teams from a total of 16 = 16C2 = 16!/14!*2! = 120. Hence
The final answer: (C).