A solid cube has been painted red, blue and black on pairs of opposite faces. It is then cut into 64 cubical blocks of equal size. How many cubes have two faces painted red and black and all other faces unpainted?

Question

Accepted Answer

A: 8

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A solid cube has been painted red, blue and black on pairs of opposite faces. It is then cut into 64 cubical blocks of equal size. How many cubes have two faces painted red and black and all other faces unpainted?