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Festive maths puzzles – answers and explanations

By Neil Saunders, Senior Lecturer in Mathematics, Department of Mathematical Sciences, City St George's, University of London

Here are the answers to the festive maths quiz I set on December 23. I hope you enjoyed it.

Read more: The magic of maths: festive puzzles to give your brain and imagination a workout

Puzzle 1: You are given nine gold coins that…

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