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In a kabaddi championship, there were played 136 matches. Every team played one match with each other. The number of teams participating in the championship is ______ -

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Question

In a kabaddi championship, there were played 136 matches. Every team played one match with each other. The number of teams participating in the championship is ______ 

Options

  • 17

  • 18

  • 9

  • 13

MCQ
Fill in the Blanks

Solution

In a kabaddi championship, there were played 136 matches. Every team played one match with each other. The number of teams participating in the championship is 17.

Explanation:

`""^"n""C"_2 = 136`

⇒ `(n(n - 1))/2 = 136 ⇒ n = 17`

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Permutations - Properties of Permutations
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