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IMO Logic, Combinatorics & Spatial Reasoning Questions

Intermediate Maths Olympiad question compilation on the topic of logic, combinatorics and spatial reasoning. Numerical solutions included. Note that the 'Puzz Points' were for when these were printed as laminated cards, which I kept in a pack for use in lessons. 10/13 points were for Cayley questions (Year 9 Olympiad), 15/18 for Hamilton (Year 10), 20/23 for Maclaurin (Year 11).

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