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Cube and Cuboid - Verbal and Reasoning

Directions to SolveThe following questions are based on the information given below:
  1. All the faces of cubes are painted with red colour.
  2. The cubes is cut into 64 equal small cubes.
Q1:

How many small cubes have only one face coloured ?

A 4

B 8

C 16

D 24

ANS:D - 24

Number of small cubes having only one face coloured = (x - 2)2 x No. of faces = (4 - 2)2 x 6 = 24