GRE Math Problem 32

A wooden cube whose edges are 3 inches is painted red.
The cube is then cut into 27 cubes whose edges are 1 inch.

Column A	Column B
The total surface area of all of the unpainted faces	100 square inches

Solution for GRE Math Problem 31:
10¹⁰⁰=2¹⁰⁰x5¹⁰⁰, therefore, it is divisible by 5⁷⁵, but not divisible by 75⁵=5⁵x3¹⁰. That's why the first remainder will be 0, and the second one will be greater than 0.
Answer: Columb B is greater

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