Question

Formula for number of matches in single league tournament?
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Answer 1

Answer:

Thus for a league of n teams, each team playing two matches against each opponent;each team will play 2(n−1) matches and in total there will be n⋅2(n−1)/2=n(n−1) matches.

Answer 2

Answer:

Thus for a league of n teams, each team playing two matches against each opponent;each team will play 2(n−1) matches and in total there will be n⋅2(n−1)/2=n(n−1) matches. I will use combination. To know the amount of fixtures without taking home and away into consideration, it would be 20C2=190 .