There are three communities A,B & C. 2 members belong to all communities. 3 members belong to A & B. 3 members belong to B & C. 3 members belong to C & A. What is the minimum possible number of members in any of the 3 communities?

• 4.can be solved by venn diagram
• 12 years agoHelpfull: Yes(21) No(4)
• 4 is right.......let A,B,C groups .1 and 2 common to all.....now 3 common to A and B ,4 common to A and C ,5 common to B and C.......in all every group has 4 members .......
• 12 years agoHelpfull: Yes(18) No(0)
• The answer should be 4. because according to venn dia. (a,b)=3 , (a,c)=3 , (a,b,c)=2. thus for members in a = (a,b) +(a,c) -(a,b,c)
• 12 years agoHelpfull: Yes(11) No(2)
• 4 is the correct ans ..solved by venn d
  
• 12 years agoHelpfull: Yes(7) No(0)
• @ Saurab,
  
  Pls check ur answer.
  
  With venn diagram, minimum 5 persons must be there in any of 3 communities.
• 12 years agoHelpfull: Yes(6) No(10)
• by using venn digram we will get d answer its 5..:):
  
• 12 years agoHelpfull: Yes(4) No(18)
• answer is 4...
• 12 years agoHelpfull: Yes(4) No(1)
• The ans is 4.. many of us might get confused by the 1st statement.... It doesn't mean that every community has 2 members each.. Instead, here "2" members are common to all the communities.
• 12 years agoHelpfull: Yes(4) No(0)
• answer is 4
• 12 years agoHelpfull: Yes(3) No(1)
• 5 i think ans
• 12 years agoHelpfull: Yes(2) No(17)
• how 5? pls explain
• 12 years agoHelpfull: Yes(0) No(1)
• A B C
  2 2 2
  2 1
  2 1
  1 2
  
  SO ANS IS 5
• 12 years agoHelpfull: Yes(0) No(11)
• so what is correct answer 4 or 5 ?
  
• 12 years agoHelpfull: Yes(0) No(0)
• a+b+c=2,a+b=3,a+c=3
  Therefore,min. possible member=4
• 11 years agoHelpfull: Yes(0) No(0)