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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Math & LogicOne small ahaLogic subject

These word puzzles fit answers to clues into intersecting rows and columns of shared letters.

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Your new ahaCrossword Puzzles

Crossword Puzzles: Word puzzle where answers intersect at shared letters. Source: Crossword ↗

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More from Logic & Lateral Puzzles

A few more worth knowing.

  1. 10Moving stacked disks between three pegs without putting a larger disk on a smaller one takes at least 2ⁿ − 1 moves in this puzzle.RECALL
    The Tower of Hanoi

    The Tower of Hanoi takes at least 2ⁿ − 1 moves for n disks. Three disks need 7 moves; four need 15, rather than 14.

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  2. 11Characters who always tell the truth or always lie populate this classic family of identity-deduction puzzles.IDENTIFY
    The Knights and Knaves Puzzle

    Knights and knaves puzzles feature characters who always lie or always tell the truth, requiring careful deduction.

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  3. 12Checkmate ends this strategy game played with kings, queens and other pieces on a 64-square board.RECALL
    Chess

    Chess, played on a 64-square board, has been studied and played competitively for over a thousand years.

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