A solid cube of 4 inches has been painted Red, Green, and Black on pair of opposite faces. It has been cut into one inch cubes. How many cubes have only one face painted that too only red?

Options

A. 4
B. 8
C. 16
D. 24

Answer

B

Explanation

There are four cubes in Layer-I and four cubes in Layer IV which have only one face painted red and all other faces not painted at all. Thus there are eight such cubes.