There are 30 players in a chess group, and each player plays each of the others once. Given that each game is played by two players, how many total games will be played? Choices:
A) 10  B) 30  C) 435  D) 60  E) 90
30 players are there.   two players play one game with one another.   so 304352=30*29/2= 
<gadget id="calculator">30*29/2</gadget>
<output>435</output>
435   SO OPTION 435 is correct
<result>C</result>
There are 30 players in a chess group, and each player plays each of the others once. Given that each game is played by two players, how many total games will be played?