Follow the clues to find the mystery number.
After some matches were played, most of the information in the
table containing the results of the games was accidentally deleted.
What was the score in each match played?
In how many different ways can I colour the five edges of a
pentagon red, blue and green so that no two adjacent edges are the
Using the 8 dominoes:
make a square where each of the columns and rows adds up to 8.
How many possible solutions are there?
You may find our Dominoes Environment useful for working on this problem.