there is a circular table and 60 people can sit in that. if there are n number of people sitting and a dracula comes and want to occupy a seat such that he has someone on his side. so what is the minimum number of n . options are 15 20 29 30

• answer will be 20
  sol-
  1,2,3,4,5,6,7,8,9,.....
  
  Suppose one person is sitting in sit no. 2 then d draculla sits in sit no. 1 or 3.(Draculla will find a person beside it)
  Again dere is a person sitting in sit no. 5, den d draculla can sit in sit no 4 and 6...
  again dere is a person sitting in sit no. 8
  
  Thus d pattern of ppl sitting is-
  sit no. 2,5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,59
  thus min no. of n is 20
  
  
• 11 years agoHelpfull: Yes(24) No(2)
• It is 20...
• 11 years agoHelpfull: Yes(2) No(1)
• i think 20 iz d right ans.
• 11 years agoHelpfull: Yes(2) No(1)
• @amit,,
  you have considered seat numbers, but it seems that in question they asked number of persons,
• 11 years agoHelpfull: Yes(2) No(0)
• 1--3--5--6--7--8--9--10--13--16--19--22--25--28--31--34--37--40--43--46--49--52--55--58--1
  
  so ans is 20
• 11 years agoHelpfull: Yes(2) No(0)
• answer is 15
  as in question it was that there should be someone on both sides of vacant seat.
• 11 years agoHelpfull: Yes(0) No(7)