There are 14 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?  Options:
A) 91	B) 30	C) 45	D) 60	E) 90

Rationale: "10 players are there . two players play one game with one another . so 14 c 2 = 14 * 13 / 2 = 91 so option a is correct"
Answer: A