Haywooha Haywooha
  • 19-03-2015
  • Mathematics
Answered

12 people have entered a chess tournament. Each person is scheduled to lay every other person once. How many games are scheduled for the tournament?

Answer :

Ematio
Ematio Ematio
  • 19-03-2015
12 * 12 equals 144. Each person plays every other person.
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sugarmate
sugarmate sugarmate
  • 19-03-2015
(12 * 11)/2 = 66 games

C(12,2) --> combination of 12 taken 2 at a time = 66

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