A cube, which is painted red on all its sides, is cut into 27 cubes with three straight cuts. Now how many cubes have i)No red face ii)1 red face iii) 2 red faces iv) 3 red faces

• we knw n=3
  (i) no red face (n-2)^3=1
  (ii) 1 red face 6(n-2)^2=6
  (iii) 2 red faces 12(n-2)=12
  (iv) 3 red faces=8(alwaz)
• 13 years agoHelpfull: Yes(0) No(0)