people {a1, a2…. a33} meet and shake hands in a circular fashion. In other
words, there are totally 33 handshakes involving the pairs, {a1, a2},
{a2, a3},….{a32, a33}, {a33, a1}. Then the size of the smallest set of people such that
the rest have shaken hands with at least one person in the set is....

• Ans is:11
  (1,4,7,10,13,16,19,22,25,28,31)
  --------------------------------------------------
  circular fashion
  if n is odd number circular fashion is=n/3
  if n is even number circular fashion is=n/2
  n=33
  33/3=11.....
• 9 years agoHelpfull: Yes(20) No(0)
• 11
  Formula for smallest set is is k/3 where k is no of people
• 9 years agoHelpfull: Yes(7) No(0)
• ans. 11
  a1 is handshake with a33&a2
  like that a4 is shake with a3&a5
  .
  .
  .
  
  minimum people in a set are3 and 33/3=11
• 9 years agoHelpfull: Yes(7) No(0)
• {a1,a2},{a3,a4}......{a31,32},{a33,a1}
  like this total 16 sets
• 9 years agoHelpfull: Yes(0) No(4)
• why k/3. what is the logic.
• 9 years agoHelpfull: Yes(0) No(0)