puzzle

Should you put all your eggs in one basket?

How many times can't you tell the time?

Fun with fuses

What it takes to win Wimbledon

Russian roulette

The coloured hat exam Three students have been put in detention by their evil maths teacher, Mr Chalk.

Do five suffice?

Tiling troubles

Crack a code with Enigma

Plus magazine sudoku

Greater than sudoku!

Solving sudokus - colouring by numbers

Graph theory helps answer Sudoku questions

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