A hollow cube of size 5 cm is taken, with a thickness of 1 cm. It is made of smaller cubes of size 1 cm. If 4 faces of the outer surface of the cube are painted, totally how many faces of the smaller cubes remain unpainted?
a) 800 b) 488 c) 900 d) 500

• (5*5*5)-(3*3*3)=98
  98*6=589
  588-(4*25)=488
• 13 years agoHelpfull: Yes(18) No(5)
• 488
• 13 years agoHelpfull: Yes(3) No(5)