Question 44

A cube is painted on all sides using white and red colours such that opposite faces are painted in different colours. This cube is cut into 27 smaller cubes of equal size.
How many smaller cubes will have only one face coloured ?

Solution

On each face there is only one cub whose only one side is exposed outside.
The cube has 6 faces and hence there will be 6*1 = 6 cubes whose only one side will be painted.
Therefore, the correct option is option B.

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NICL Administrative Officer (AO) 2013 Question Paper Solved

A cube is painted on all sides using white and red colours such that opposite faces are painted in different colours. This cube is cut into 27 smaller cubes of equal size. How many smaller cubes will have only one face coloured ?

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A cube is painted on all sides using white and red colours such that opposite faces are painted in different colours. This cube is cut into 27 smaller cubes of equal size.
How many smaller cubes will have only one face coloured ?