X,Yand Z are senior engineers. A,B,C,D are junior engineers. Company wants to select 4 enginers. Two will be senior and two will be juniors. The company wants these engineers to work in the most productive way so they respect each person's likes/dislikes.

Y is not friends with A

Z is not friends with C

B is not friends with A...

If B is selected then who will be the remaining 4 members ?

If C is selected, Z and ___ cannot be selected?

D is always selected if ___ is selected?

• 1.) if b is selected x,d,c,y may be selected
  2.) if c is selected z cant be selected and 'a' also cant be selected as a is not friendly with majority of nos.
  3.)i hope if d is selected x is also selected as d,x have no issues with any one
  
• 11 years agoHelpfull: Yes(4) No(0)
• 1> BDXY,BCXY,BDYZand many more possible 2>A 3>if X is selected
• 12 years agoHelpfull: Yes(2) No(1)
• couldn't understand plz explain briefly
• 11 years agoHelpfull: Yes(1) No(0)
• 1.Y,X,D & c are possible. A is not bcz it is not friends with B. If Z is selected C is not selected & vice versa.
  2.A cannot be selected as it is not friends with Y and B.
  3. D is always selected as it is friends with everyone.
• 10 years agoHelpfull: Yes(1) No(0)
• If B is selected then who will be the remaining 4 members ?.. BCXY
  
  
• 12 years agoHelpfull: Yes(0) No(0)