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In a tennis t...

Question

In a tennis tournament, every pair has to play with every other pair. Total $10$ players are playing. Find the number of games played.

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Solution

In every tennis match ,there are $4$ players Now selecting $4$ Players and dividing into two terms

No of games = $10_{c_{4}} \times 3 = 210 \times 3$ $(L e t p e o p l e a r e A, B, C, D) S o t e a m w i l l b e l i k e (A B, C D) (A C, B D) (A D, B C)$

So No of games = $630$

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