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'Zin Obelisk' printed from http://nrich.maths.org/
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
Your task is to determine on which day of the week the monument was
You will need a set of information cards to solve the
For the set, you'll need to print off this Word document
The original version of this
problem appeared in "Improving Work Groups: A Practical Manual for
Team Building" by Dave Francis & Don