Question

There are two cubes having different dimensions. two opposite faces of a cube are red and rest of it are white. two opposite faces of the other cube are yellow and rest of it are red. these two cubes are divided separately into 64 and 27 small cubes respectively. now these small cubes are mixed together.how many cubes will have only two faces coloured in two different colours?

Answer 1

According to me answer is 24

Answer 2

Concept introduction:

A cube is a lobed solid object in geometry that is surrounded by six square surfaces, aspects, or sides, three of which meet at each edge. One of the five Polyhedral, the cube is the only periodic hexahedron.

Explanation:

On each of the three red painted faces, the middle square of two cubes have red paint on only one face. So, total number of cubes with one face painted red $=2*2*3=12$

Final answer:

The final answer of the question is $12$.

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