an organisation has 3 committees. Only 2persons are members of all the 3 committes. But every pair of the committee has 3members in common. What is the least possible no of members on any one committee?
a)4 b)5 c)6 d)7

• ans is 4 using venn diagram
• 12 years agoHelpfull: Yes(40) No(1)
• ans is 5
  2+1+1+1=5
• 12 years agoHelpfull: Yes(3) No(23)
• 2 persons common in all committies,bt every pair of commitee has 3 members as common, so each pair commitee has 1 person as common, so the least possible no o members on any one committee is 4...
• 10 years agoHelpfull: Yes(2) No(0)
• ans is 4 because 2 person will b common +1 person common in b/w 2 comitee=4
  
• 10 years agoHelpfull: Yes(1) No(1)
• committee 1=p1 p2 p3 p5
  committee 2= p1 p2 p3 p4
  committee 3=p1 p2 p4 p5
• 9 years agoHelpfull: Yes(1) No(2)