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[Daily puzzle] Prime number puzzle
636 sats \ 30 comments \ @south_korea_ln 26 Sep 2024 science
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[Not-so-daily puzzle] Two envelope puzzle
921 sats \ 12 comments \ @south_korea_ln 25 Dec 2024 science
[Daily puzzle] How many pairs?
679 sats \ 6 comments \ @south_korea_ln 9 Nov 2024 science
[Not so daily puzzle] Sum-o wrestlingwww.theguardian.com/science/2025/aug/18/can-you-solve-it-are-you-a-matcha-for-these-tasty-japanese-puzzles
950 sats \ 7 comments \ @south_korea_ln 19 Aug 2025 science
[Daily puzzle] Fill in the blanks
2368 sats \ 20 comments \ @south_korea_ln 29 Oct 2024 science
[Daily puzzle] Diameter of circle
2175 sats \ 13 comments \ @south_korea_ln 14 Oct 2024 science
[Not-so-daily puzzle] Which one is bigger?
908 sats \ 8 comments \ @south_korea_ln 20 Dec 2024 science
[Daily puzzle] Sum of floors
973 sats \ 4 comments \ @south_korea_ln 8 Nov 2024 science
Stacker News: Interesting Item #'s
11.5k sats \ 15 comments \ @OneOneSeven 28 Sep 2024 charts_and_maps
[Daily puzzle] If m! x n! = 10! then m x n = ?
1022 sats \ 22 comments \ @south_korea_ln 24 Sep 2024 charts_and_maps
[Daily puzzle] log of a sum and sum of logs
692 sats \ 8 comments \ @south_korea_ln 16 Oct 2024 science
What is Zapping for you on SN? Are you a Zapper?
1586 sats \ 41 comments \ @TheMorningStar 4 Dec 2024 meta
[Daily puzzle] Another MSM puzzle
717 sats \ 10 comments \ @south_korea_ln 18 Oct 2024 science
[Daily puzzle] Simple algebra problem.
1169 sats \ 17 comments \ @south_korea_ln 28 Oct 2024 science
[Daily puzzle] Probability of ending at 1
922 sats \ 27 comments \ @south_korea_ln 7 Oct 2024 science
[Daily puzzle] Maximum distance between 5 points in a square?
1410 sats \ 10 comments \ @south_korea_ln 9 Oct 2024 science
[Daily puzzle] Find area of white region
2026 sats \ 18 comments \ @south_korea_ln 10 Oct 2024 science
[Daily puzzle] A MSM puzzle
660 sats \ 11 comments \ @south_korea_ln 17 Oct 2024 science
[Daily puzzle] \sum{n=1}^m n^3 = \left( \sum_{n=1}^m n \right)^2?
473 sats \ 11 comments \ @south_korea_ln 29 Sep 2024 science
Prime Fields, Text Manglers and Progress Report on Indra
6263 sats \ 0 comments \ @l0k18 1 May 2023 bitcoin
Stacker News Chess Tournament Update
852 sats \ 24 comments \ @ek 27 Jun 2024 Stacker_Sports freebie
[Daily puzzle] Tricky system of equations
1119 sats \ 7 comments \ @south_korea_ln 5 Nov 2024 science