In a tournament of 7 players, each player plays every other player once. How…
2025
In a tournament of 7 players, each player plays every other player once. How many matches are there?
- A.
21
- B.
42
- C.
36
- D.
28
Attempted by 13 students.
Show answer & explanation
Correct answer: A
If each of 7 players plays every other player once, the number of matches is C(7, 2) = 7 x 6 / 2 = 21.