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  2. The Hardest Logic Puzzle Ever - Wikipedia

    en.wikipedia.org/wiki/The_Hardest_Logic_Puzzle_Ever

    The Hardest Logic Puzzle Ever is a logic puzzle so called by American philosopher and logician George Boolos and published in The Harvard Review of Philosophy in 1996. [ 1 ] [ 2 ] Boolos' article includes multiple ways of solving the problem.

  3. 12 Logic Puzzles That Will Test Your Smarts - AOL

    www.aol.com/lifestyle/12-logic-puzzles-test...

    The post 12 Logic Puzzles That Will Test Your Smarts appeared first on Reader's Digest. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Sign ...

  4. List of impossible puzzles - Wikipedia

    en.wikipedia.org/wiki/List_of_impossible_puzzles

    This is a list of puzzles that cannot be solved. An impossible puzzle is a puzzle that cannot be resolved, either due to lack of sufficient information, or any number of logical impossibilities. 15 Puzzle – Slide fifteen numbered tiles into numerical order. It is impossible to solve in half of the starting positions.

  5. KenKen - Wikipedia

    en.wikipedia.org/wiki/KenKen

    A simple KenKen puzzle, with answers filled in as large numbers. KenKen and KenDoku are trademarked names for a style of arithmetic and logic puzzle invented in 2004 by Japanese math teacher Tetsuya Miyamoto, [1] who intended the puzzles to be an instruction-free method of training the brain. [2]

  6. 25 Printable Brain Teasers You Can Print for Free - AOL

    www.aol.com/25-printable-brain-teasers-print...

    How many of these brain busters can you solve? The post 25 Printable Brain Teasers You Can Print for Free appeared first on Reader's Digest.

  7. 10 Hard Math Problems That Even the Smartest People in the ...

    www.aol.com/10-hard-math-problems-even-150000090...

    Goldbach’s Conjecture. One of the greatest unsolved mysteries in math is also very easy to write. Goldbach’s Conjecture is, “Every even number (greater than two) is the sum of two primes ...

  8. Kakuro - Wikipedia

    en.wikipedia.org/wiki/Kakuro

    An easy Kakuro puzzle Solution for the above puzzle. Kakuro or Kakkuro or Kakoro (Japanese: カックロ) is a kind of logic puzzle that is often referred to as a mathematical transliteration of the crossword. Kakuro puzzles are regular features in many math-and-logic puzzle publications across the world.

  9. Ages of Three Children puzzle - Wikipedia

    en.wikipedia.org/wiki/Ages_of_Three_Children_puzzle

    The Ages of Three Children puzzle (sometimes referred to as the Census-Taker Problem [1]) is a logical puzzle in number theory which on first inspection seems to have insufficient information to solve. However, with closer examination and persistence by the solver, the question reveals its hidden mathematical clues, especially when the solver ...

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