Verbal Reasoning - Cube and Cuboid - Discussion

The 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.

1. 

How many small cubes have only one face coloured ?

[A]. 4
[B]. 8
[C]. 16
[D]. 24

Answer: Option D

Explanation:

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

= (4 - 2)2 x 6

= 24


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