There are 7 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 one
A) 15 B) 16 C) 28 D) 42 E) 64
Every team plays with 6 teams...so total no of matches = 7 x 6 = 42.   Now, each match is played twice =&gt; 42 x 2   But 2 teams play a match =&gt; 42 x 2 /2 = 42.   Answer: 42
<result>D</result>
There are 7 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?