Question

How many small cubes have only one face coloured ?

• A. 4
• B. 8
• C. 16
• D. 24

Answer 1

The correct option is D 24

There are 64 small cubes.
Hence one side of the big cube $=\sqrt[3]{364}=4cm$.
Number of small cubes having only one face coloured ${(x-2)}^2\times$ No. of faces.
$={(4-2)}^2\times 6$
= 24