AMO 2027 Grades 4-5 SET 5 - Self-study Question 10

Five teams take part in a zonal basketball league. Each team has to play exactly one match against another team. So far, team A has played 4 matches and team B has played 3 matches. If team D and team E have each played 2 matches, how many matches has team C played?

Answer entry: give any possible number of matches for team C.