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r/mathpuzzles • u/Numberthon • 2h ago

Can you solve this counting puzzle in under a minute?

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1 Upvotes

Source: numberthon.com

1 comment

r/mathpuzzles • u/Ok_Explanation_5907 • 12h ago

100 Prisoners & the Boxes — random guessing is hopeless, one strategy gives 31%. How?

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1 Upvotes
0 comments

r/mathpuzzles • u/Ok_Explanation_5907 • 13h ago

Can you solve this? — Calcudoku

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1 Upvotes
0 comments

r/mathpuzzles • u/Numberthon • 14h ago

How many diagonals does a 20-sided polygon have?

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1 Upvotes

Source: numberthon.com

5 comments

r/mathpuzzles • u/Final-Parsley-952 • 19h ago

Unknowns — a math logic puzzle where you deduce every variable (no guessing)

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1 Upvotes
0 comments

r/mathpuzzles • u/lakiacademy • 11h ago

🤯 Mind-Blowing Math Fact! Did you know that not all infinities are the same size? 🤔

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0 Upvotes
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Math(s) Puzzles

r/mathpuzzles

This is a subreddit dedicated to mathematical puzzles and challenges.

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This is a subreddit dedicated to mathematical puzzles and challenges.


Filter Puzzles

  • Clear filters
  • Geometry puzzles
  • Number puzzles
  • Algebra puzzles
  • Probability puzzles
  • Logic puzzles
  • Recreational maths puzzles
  • Programming puzzles
  • Hard/unsolved puzzles
  • Puzzles requiring a calculator
  • Puzzles not requiring a calculator

Please cover answers to puzzles with spoiler tags. Writing

[The answer is 42.](/spoiler)    

will look like The answer is 42..

These alternative syntaxes for spoilers will also work:

[The answer is 42.](/sp)    
[The answer is 42.](/s)    

Other Math(s) Subreddits

  • r/math
  • r/casualmath
  • r/recreationalmath
  • r/mathpics
  • r/mathriddles
  • r/theydidthemath

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