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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?
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Nov 6, 2016
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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?
Mathematics
middle-school
Li Ying
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(12 * 11)/2 = 66 games
C(12,2) --> combination of 12 taken 2 at a time = 66
DataFramed
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Nov 9, 2016
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DataFramed
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12 * 12 equals 144. Each person plays every other person.
Alexey Kulikov
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Nov 13, 2016
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Alexey Kulikov
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