Verbal Reasoning - Cube and Cuboid - Discussion

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

2. 

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

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

Answer: Option A

Explanation:

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

= (5 - 2)3

= 27


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