According to the number of matches to be played in various types of tournaments arrange the following statements in a descending order. A. 12 teams are participating in a knock out tournament B. 21 teams are participating in a knock out tournament C. 8 teams are participating in a league cum knock out tournament D. 7 teams are participating in a Round Robin tournament E. 8 teams are participating in a league tournament Choose the correct answer from the options given below: