Olympiad problems with hint ladders
Each problem comes with three hints, from a gentle nudge to nearly there. Take one at a time, have a go, and only then read the worked solution.
This week's problem
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A fresh problem, every time
Choose a grade and press the button for a brand-new problem. Each one is built from a kind of question in our past olympiad papers, with new numbers every time, so you can keep practising without repeats.