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#64 Matching tiles
Set by Colin Beveridge
A game is played with a set of tiles. Each tile is one of three shapes (circle, triangle or square), is one of three colours (red, blue or yellow), is one of three sizes (small, medium or large), is one of three textures (smooth, rough or ridged), and has one of three letters on it (A, B or C).
Given that each combination of attributes is used on exactly one tile, how many tiles are there?
A meld consists of three tiles in any order, such that each attribute is either the…
