Which of the following is a perfect cube?

Explanation

1. 01

   $15^3 = 15 \times 15 \times 15 = 3{,}375$.

2. 02

   $2{,}700 = 27 \times 100$, and 100 is not a cube.

3. 03

   $1{,}600 = 40^2$ and $2{,}500 = 50^2$ are squares, not cubes.