Verbal Reasoning - Cube and Cuboid

Directions to Solve

All the faces of a cube are painted with blue colour. Then it is cut into 125 small equal cubes.


1.
How many small cubes will be formed having only one face coloured ?
54
8
16
24
Answer: Option
Explanation:

No. of small cubes having only one face coloured = (5 - 2)2 x 6

= 9 x 6

= 54


2.
How many small cubes will be formed having no face coloured ?
27
8
16
24
Answer: Option
Explanation:

No. of small cubes having no face coloured = (x - 2)3

= (5 - 2)3

= 27