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In a round-robin tournament, each team plays every other team exactly once. If there are 10 teams, how many games will be played?

Practice Questions

1 question
Q1
In a round-robin tournament, each team plays every other team exactly once. If there are 10 teams, how many games will be played?
  1. 45
  2. 90
  3. 50
  4. 100

Questions & Step-by-step Solutions

1 item
Q
Q: In a round-robin tournament, each team plays every other team exactly once. If there are 10 teams, how many games will be played?
Solution: The number of games is given by n(n-1)/2, which for 10 teams is 10(9)/2 = 45.
Steps: 0

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