Exams › SSC CGL (Prelims) › General
Nine players take part in a round-robin tournament where every player faces each of the others exactly once. What is the total number of matches?
- 72
- 40
- 42
- 36
Correct answer: 36
Solution
In a round-robin tournament, each match is played between a pair of players. The total number of matches is ${}^9C_2 = \frac{9\times 8}{2} = 36$.
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