A discrete mathematics problem by Abhilash YadavDiscrete Mathematics Level 1
In an annual state tournament 5 cricket teams participate. The champion team is chosen for this tournament by the usual elimination scheme. That is, the 5 teams are divided into pairs, and the 2 teams of each pair play against each other. The loser of each pair is eliminated, and the remaining teams are paired up again, etc. How many games must be played to determine the champion?