In the ancient city of Atlantis a monument called a Zin Obelisk
was built in honour of the goddess Tina.
The structure (a cuboid) took less than two weeks to complete.
Your task is to determine on which day of the week the monument
was completed.
You will need a set of information cards to solve the problem.
For the set, you'll need to print off this
Word document or this
pdf
We have not been able to track down the source of this old
problem. If you know where it originated, please let us
know.