Adam sat with his friends in the Chinnaswamy stadium at Madurai to watch the 100 metres running race organized by the Asian Athletics Association. Five rounds were run. After every round half the teams were eliminated. Finally, one team wins the game. How many teams participated in the race?
a) 30
b) 32
c) 41
d) 54

• ans b)32
  final round 2 teams (then only decide one winner)
  previous round 4 teams(include final round teams plus other two eliminated teams)
  previous round 8 teams(include next round team plus equal no.of members that is 4+4)
  like wise ,,
  in general 2^5=32
• 14 years agoHelpfull: Yes(20) No(2)
• ans 32.
  sol:Based upon the answers only 32 is suitable.others are out of scope.just trail& error method
• 14 years agoHelpfull: Yes(3) No(2)
• 32
• 14 years agoHelpfull: Yes(2) No(2)
• obviously 2^5 = 32
  as 1st round 32 then 2nd round 16 3rd round 8 4th round 4 n 5th round 2 team will remain
• 14 years agoHelpfull: Yes(2) No(1)
• in 5th round(final round)- 2 persons
  in 4th round -4 persons
  in 3rd round -8 persons
  in 2th round -16 persons
  in 1st round -32 persons
• 10 years agoHelpfull: Yes(1) No(1)
• rounds 1 2 3 4 5
  teams 32 16 8 4 2
  start counting from 5th round.......
  it will be easy
  
• 10 years agoHelpfull: Yes(1) No(0)
• b)32
• 14 years agoHelpfull: Yes(0) No(1)
• 2^5=32
• 14 years agoHelpfull: Yes(0) No(1)