Cube Counting

Introduction

In this section, you are given a figure where it is made by cementing cubes of the same size together. The figure is then painted on all sides EXCEPT for the bottom on which it is resting. The only hidden cubes are those requires to support other cubes. For the following questions you are to examine each figure to determine how many cubes have either

1. only one of their sides painted
2. only two of their sides painted
3. only three of their sides painted
4. only four of their sides painted
5. all five of their sides painted

Now that you understand the basics, let’s look at a sample question:
In Figure A, how many cubes have two of their exposed sides painted?