Posted by **John** on Monday, March 4, 2013 at 12:27am.

A 12 by 12 by 12 cube has all its faces painted blue. It is then broken down to 1728 individual 1 by 1 by 1 cubes. The probability that a randomly chosen 1 by 1 by 1 cube has exactly 2 faces painted blue is \frac {a} {b} , where a, b are coprime. What is the value of a+ b?

## Answer this Question

## Related Questions

- Math - Mrs. Jones had some white paint and some green paint, and a bunch of ...
- math PLEASE HELP ME - Mrs. Jones had some white paint and some green paint, and ...
- math - Eight one-inch cube are put together to make a “T”. If the complete ...
- MATH(Cube Problem) - A cube 4 cm on each side is painted blue and cut into 64 ...
- Geometry - The surface of a cube is painted red and blue, 3 sides of each. The ...
- Cube Problem - A cube 4 cm on each side is painted blue and cut into 64 one cm ...
- Geometry, Cubes - The surface of a cube is painted red and blue, 3 sides of each...
- problem of the week - Imagine one large cube made of 1000 white centimeter cubes...
- Geometry - The surface of a cube is painted red and blue, 3 sides of each. The ...
- math - a large cube is built from centimeter cube. faces of large cube are ...

More Related Questions