A school organized a knockout football competition in which 23 teams played. What was the least number of matches they needed to play to decide the winner?
- 12
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- 62
- 21
Explanation
In a knockout tournament, each match eliminates one team. To decide a single winner from n teams, we must eliminate (n − 1) teams.
Here, n = 23
So, number of matches needed = 23 − 1 = 22
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