question_answer

Direction: The following questions are based on the information given below:

[a] All the faces of a cube with edge 4 cm are painted. [b] The cube is then cut into equal small cubes each of edge 1 cm. How many small cubes have only one face painted?

A)  4                                

B)  8              

C)  16                               

D)  24

Correct Answer: D

Solution :

 There are 4 small cubes having one face painted on each face.                                    So, total number of cubes \[=6\times 4=24\]