36 people(a1,a2....a36) meet and shake hands in a circular fashion.means (a1,a2)(a2,a3).....(a36,a1).then size of the smallest set of people such that the rest have shaken hand with at least one person in the set.
a.11
b.18
c.12
d.13

• When people shake hands in a "circular fashion",The answer will always be n/3. (n=36)
  which is 36/3= 12 (answer)
• 12 years agoHelpfull: Yes(7) No(0)
• 12.
  shake hand with the person in your left and right side.
  12*3=36
• 12 years agoHelpfull: Yes(6) No(1)
• in this type of question simply divide total no of people by 3 ....
  36/3 = 12
  
  minimum set of people be 3
  
  a1 .... a2 ..... a3 ........in circular manner a2 can shake hand with a1 and a3
• 12 years agoHelpfull: Yes(2) No(0)