Twenty-eight games were played in a football tournament with each team playing once against each other. How many teams were there?

Thirty six games were played in a football tournament with each team playing once against each other. How many teams were there?

Thirty six games were played in a football tournament with each team playing once against each other. How many teams were there?

Thirty six games were played in a football tournament with each team playing once against each other. How many teams were there?

Thirty six games were played in a football tournament with each team playing once against each other. How many teams were there?

Thirty six games were played in a football tournament with each team playing once against each other. How many teams were there?

Twenty eight matches were played in a volley ball tournament. Each team playing one against each of others. How many teams were there?

66 games were played in a tournament where each player placed one against the rest.The number of players are

If 36 games were played at a chess tournament with each contestant playing once aginst each of the other then the number of participants is