WBCS.LIVE practice question

In a chess tournament each of six players will play every other player exactly once. How many matches will be played in the tournament?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 12
  2. 15
  3. 30
  4. 72

Correct answer and explanation

Correct answer: 15

Explanation: āœ… Correct Answer: B. 15 šŸ“š Explanation: In a tournament where every player plays every other player exactly once, the total number of matches is calculated using the formula n(n-1)/2. Here, n is the number of players (6). Calculation: (6 x 5) / 2 = 30 / 2 = 15. Therefore, a total of 15 matches will be played in the chess tournament. This is a common combinatorics problem in competitive exams.