A,B COMMON TO ALL THREE. THEN ATLEAST 1 ELEMNT COMMON TO 2 IE X1,X2,X2,X3,X3,X1.
FINDMINIMUM ELEMENTS IN EACH GROUP. ANSWER IS 4.

• can u explain?
• 11 years agoHelpfull: Yes(14) No(1)
• Answer is 4
• 11 years agoHelpfull: Yes(3) No(7)
• the above question is same as this one
  check it guys :
  
  http://www.m4maths.com/11439-There-are-3-groups-A-B-C-2-members-belong-to-all-the-three-3-members-belong-to-A-B.html
• 11 years agoHelpfull: Yes(1) No(0)
• PRIYANKA THEY ASK FOR MINIMUM ELEMENTS ?IN ONE GROUP CONTAIN 4 ELEMENTS AND MINIMUM NUMBER OF ELEMENT, IS ONE IS AM WRITE OR NOT GIVE ME A ANSWER
• 11 years agoHelpfull: Yes(0) No(9)
• can anybody explain it's solution??
• 11 years agoHelpfull: Yes(0) No(0)