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  2. Jigsaw puzzle - Wikipedia

    en.wikipedia.org/wiki/Jigsaw_puzzle

    Puzzles. A jigsaw puzzle (with context, sometimes just jigsaw or just puzzle) is a tiling puzzle that requires the assembly of often irregularly shaped interlocking and mosaicked pieces, each of which typically has a portion of a picture. When assembled, the puzzle pieces produce a complete picture. In the 18th century, jigsaw puzzles were ...

  3. Missing square puzzle - Wikipedia

    en.wikipedia.org/wiki/Missing_square_puzzle

    The missing square puzzle is an optical illusion used in mathematics classes to help students reason about geometrical figures; or rather to teach them not to reason using figures, but to use only textual descriptions and the axioms of geometry. It depicts two arrangements made of similar shapes in slightly different configurations.

  4. T puzzle - Wikipedia

    en.wikipedia.org/wiki/T_puzzle

    The T-puzzle, a T shape can be assembled with the four pieces on the left. The T puzzle is a tiling puzzle consisting of four polygonal shapes which can be put together to form a capital T. The four pieces are usually one isosceles right triangle, two right trapezoids and an irregular shaped pentagon . Despite its apparent simplicity, it is a ...

  5. List of puzzle topics - Wikipedia

    en.wikipedia.org/wiki/List_of_puzzle_topics

    Eight queens puzzle. Einstein's Puzzle. Eternity puzzle. Fifteen puzzle. Fox, goose and bag of beans puzzle. Geomagic square. Globe puzzle. Graeco-Latin square. Gry.

  6. Mechanical puzzle - Wikipedia

    en.wikipedia.org/wiki/Mechanical_puzzle

    The image shows an example of Hoffman's packing puzzle. The aim is to pack 27 cuboids with side lengths into a box of side length , subject to two constraints: 1) must not be equal. 2) The smallest of must be larger than. One possibility would be – the box would then have to have the dimensions 60×60×60.

  7. Eight queens puzzle - Wikipedia

    en.wikipedia.org/wiki/Eight_queens_puzzle

    Eight queens puzzle. The eight queens puzzle is the problem of placing eight chess queens on an 8Ă—8 chessboard so that no two queens threaten each other; thus, a solution requires that no two queens share the same row, column, or diagonal. There are 92 solutions. The problem was first posed in the mid-19th century.

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