Cube-Counting Questions Practice Test

Consider the following figure, which has been made by cementing together cubes of the same size. After being cemented, each group was painted on all sides except for the bottom on which it is resting. Not all cubes may be visible in the figure, but the only hidden cubes are those required to support other cubes.

In the figure shown above, how many cubes have only one of their sides painted?

Consider the following figure, which has been made by cementing together cubes of the same size. After being cemented, each group was painted on all sides except for the bottom on which it is resting. Not all cubes may be visible in the figure, but the only hidden cubes are those required to support other cubes.

In the image shown above, how many of the cubes have four of their sides painted?