A solid cbe of 4 inches has been painted red,green an black on pair of opposite faces.it has been cut into 1 inch cubes.how many cubes have only faces painted.

• Ans:- 24
  so i know
  three faces painted(corners)= 8
  two faces painted=(n-2)*12=(4-2)*12=24
  one faces painted=(n-2)^2*6=(4-2)^2*6=24
  no faces painted=(n-2)^3=(4-2)^3=8
  all painted cut=8+24+24+8=64
  4*4*4=64
  so only faces painted=24
• 10 years agoHelpfull: Yes(2) No(1)
• Total of 24 cubes will have exactly one face painted
  4 such cubes on each face of the larger cube
  Also acording to formula= (n-2)^2*6
• 10 years agoHelpfull: Yes(0) No(1)
• if the question says that only one face coloured then the answer is=16
  & if the question is that cubes having coloured face the the answer is =24
• 10 years agoHelpfull: Yes(0) No(1)
• man this idiotic for every question i pose the site produces the same result problem
• 4 years agoHelpfull: Yes(0) No(0)