There are 9 teams in a certain league and each team plays each of the other teams exactly twice. If each game is played by 2 teams, what is the total number of games played?  Choose the correct option
A) 15  B) 16  C) 28  D) 56  E) 72
Every team plays with 8 teams...so total no of matches = 9 x 8 = 72.   Now, each match is played twice =&gt; 72 x 2   But 2 teams play a match =&gt; 72 x 2 /2 = 72.   Answer: 72
<result>E</result>
There are 9 teams in a certain league and each team plays each of the other teams exactly twice. If each game is played by 2 teams, what is the total number of games played?