footbal teams in a annual cup shield .At the start of each round the teams are selected in pairs. This pairs then competent against each other to determine who goes thru to next round. Any spare teams automatically go to the next round. how many games must be played to determine the winner?

• generally 32 teams will play.so first 32 will get in to 16 then 16 to 8 then 8 to 4 then 4 to 2 then 1.so total matches are 1+2+4+8+16=31
• 8 years agoHelpfull: Yes(0) No(0)
• if we take some examples then it must be cleared.in tha case of 32 teams to select winner must be played 31 match,for 8 team must be played 7 match.Thus we can say that total no of games played=no of teams-1.
• 8 years agoHelpfull: Yes(0) No(0)
• N-1 For all cases
  N is number of teams.
  (e.g - let total number of team be 5, matches played will be 4)
• 7 years agoHelpfull: Yes(0) No(0)
• the answer is n-1(irrespective of n)
• 6 years agoHelpfull: Yes(0) No(0)