Cube and Cuboid

Directions to SolveThe following questions are based on the information given below:All the opposite faces of a big cube are coloured with red, black and green colours. After that is cut into 64 small equal cubes.

How many small cubes are there whose no faces are coloured ?

A 0

B 4

C 8

D 16

ANS:C - 8

Number of small cubes having no face coloured = (x - 2)³ = (4 - 2)³ = 8

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