Wikimedia Commons has media related to
Mathematical problems.

This category has the following 10 subcategories, out of 10 total.

- Probability problems (29 P)

- Squaring the circle (9 P)

- Triangle problems (6 P)

- Undecidable problems (20 P)
- Unsolvable puzzles (12 P)

The following 85 pages are in this category, out of 85 total. This list may not reflect recent changes.