April 2020 - Math Problem

Suppose that you have a can of red paint, a can of blue paint, and a large supply of identical wooden cubes.  If you paint each face either solid red or solid blue, how many different cubes can be made?  ​

Solution:

All red  1

Five red and one blue 1

Four red and two blue 2

Three red and three blue 2

Two red and four blue 2

One red and five blue 1

All blue 1

10 such cubes can be made,  What if you used tetrahedrons instead of cubes?

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