derive a formula for the question
in a game there a are 8 teams and each had to play with each other find the total number of match played in the game
make a formula to find the answer easily
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Let the number of teams be n and n is equal to 8
Number of matches in the game are
n(n-1)/2
8*7/2==28 matches
Number of matches in the game are
n(n-1)/2
8*7/2==28 matches
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