Monday, 17 December 2012

Cutting Across A Cross Puzzle - Solution


The Puzzle:

Here is an ordinary cross. You are allowed to make two straight cuts across it.

                      

How do you cut it to make the most pieces?




Our Solution:

This is one way of making six pieces with two cuts. I couldn't do any better!

         

Cut Cube Puzzle - Solution


The Puzzle:

A solid, four-inch cube of wood is coated with blue paint on all six sides.

Then the cube is cut into smaller one-inch cubes.

These new one-inch cubes will have either three blue sides, two blue sides, one blue side, or no blue sides. How many of each will there be?




Our Solution:

There are 8 with three sides colored, 24 with two sides colored, 24 with one side colored, and 8 with no sides colored.

Here I have done one face, and also shown you that "inside" there are 8 with no paint at all: