Cube and Cuboid

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

Q1: How many small cubes will be formed having only one face coloured ?

A 54

B 8

C 16

D 24

ANS:A - 54

No. of small cubes having only one face coloured = (5 - 2)² x 6 = 9 x 6 = 54

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