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 ?

A. 54
B. 8
C. 16
D. 24

2. 

How many small cubes will be formed having no face coloured ?

A. 27
B. 8
C. 16
D. 24