Here are the answers to the festive maths quiz set on December 23. I hope you enjoyed it.
Puzzle 1: You are given nine gold coins that look identical. You are told that one of them is fake and that this coin weighs less than the real ones….

Here are the answers to the festive maths quiz set on December 23. I hope you enjoyed it.
Puzzle 1: You are given nine gold coins that look identical. You are told that one of them is fake and that this coin weighs less than the real ones….