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  2. 30 Math Puzzles (with Answers) to Test Your Smarts - AOL

    www.aol.com/30-math-puzzles-answers-test...

    The post 30 Math Puzzles (with Answers) to Test Your Smarts appeared first on Reader's Digest. ... But when math problems are outside of a school setting, there’s no time limit to do them, and ...

  3. 10 Hard Math Problems That Even the Smartest People in the ...

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

    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.”. You check this in your ...

  4. Cheryl's Birthday - Wikipedia

    en.wikipedia.org/wiki/Cheryl's_Birthday

    Note that this problem is a slight variation of another problem, previously presented by Martin Gardner. Solution to sequel. 144 can be decomposed into prime number factors by the fundamental theorem of arithmetic (144 = 2 4 × 3 2), and all possible ages for Cheryl and her two brothers examined (for example, 16, 9, 1, or 8, 6, 3, and so on ...

  5. Sudoku May Keep Your Brain Younger - Healthline

    www.healthline.com/health-news/can-sudoku...

    Sudoku or Crosswords May Help Keep Your Brain 10 Years Younger. New research finds that solving puzzles may help you stay “sharp.”. Peope who had a crossword puzzle or sudoku habit appeared to ...

  6. 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 ...

  7. Millennium Prize Problems - Wikipedia

    en.wikipedia.org/wiki/Millennium_Prize_Problems

    e. The Millennium Prize Problems are seven well-known complex mathematical problems selected by the Clay Mathematics Institute in 2000. The Clay Institute has pledged a US$ 1 million prize for the first correct solution to each problem. The Clay Mathematics Institute officially designated the title Millennium Problem for the seven unsolved ...

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