Total no. of matches :-
Total no teams -1 13-1=12 matches
Total no of round = 2*2*2*2
Digit 2 repeats four time so no of round = 4 rounds
Total no bye :- next power of 2- total no. of team 16-13 =03
No of team is upper half= Total no of team+1 / 2 = 13+1 / 2 = 07 team
No. of teams in lower half = Total no of team+1/ 2 = 13-1/ 2 = 06 team
