ЁЯУв Too many exams? DonтАЩt know which one suits you best? Book Your Free Expert ЁЯСЙ call Now!
  • google app store apple app store
    • тЬЦ

      Question

      In a tennis tournament, each player played one game with

      all the other players. How many players participated in the tournament if they played 300 games in all?
      A 24 Correct Answer Incorrect Answer
      B 25 Correct Answer Incorrect Answer
      C 30 Correct Answer Incorrect Answer
      D 32 Correct Answer Incorrect Answer
      E 40 Correct Answer Incorrect Answer

      Solution

      According to the question, n C2 = 300, where n is the number of players (n(n - 1))/2 = 300 n2 - n - 600 = 0 n2 -25n + 24n - 600 = 0 n(n - 25) + 24(n - 25) = 0 (n - 25)(n + 24) n = 25

      Practice Next
      More No. System Questions

      Relevant for Exams:

      ask-question