Consider a grid of size 4 x 4 (i.e. sixteen squares), where all squares should get a color. The colored grid should meet the following conditions:

* 4 squares should be colored blue,

* 3 squares should be colored red,

* 3 squares should be colored white,

* 3 squares should be colored green,

* 3 squares should be colored yellow, and

* no color may appear more than once in any horizontal, vertical, or diagonal line.

The Question: How can the grid be colored?

A Hint: Start with colouring the four blue squares confirm the conditions. Then, try to add the other colours in a symmetrical way.

Answer: This is how the grid can be colored to meet the conditions:

## Wednesday, July 23, 2008

### Colored Grid

Posted by Covert Bay at 12:13 AM

Labels: Riddles/Puzzles

Subscribe to:
Post Comments (Atom)

## No comments:

Post a Comment