A solid cube is painted blue on all faces and then cut into 125 small cubes. How many cubes are there which are not painted on any of the faces?
(a) 8
(b) 16
(c) 27
(d) 36
How to solve this ?
A solid cube is painted blue on all faces and then cut into 125 small cubes. How many cubes are there which are not painted on any of the faces?
(a) 8
(b) 16
(c) 27
(d) 36