24 October 2025

• curprev 17:1617:16, 24 October 2025 Litttle master talk contribs 5,232 bytes +1 →Solution 4

20 October 2025

• curprev 12:0112:01, 20 October 2025 Ah2025 talk contribs 5,231 bytes +20 →Solution 3
• curprev 11:2711:27, 20 October 2025 Ah2025 talk contribs m 5,211 bytes +66 →Solution 3

23 August 2025

• curprev 13:2913:29, 23 August 2025 Litttle master talk contribs 5,145 bytes +10 →Solution 4
• curprev 13:2813:28, 23 August 2025 Litttle master talk contribs 5,135 bytes +13 →Solution 4
• curprev 13:2813:28, 23 August 2025 Litttle master talk contribs 5,122 bytes +23 →Solution 4
• curprev 13:2613:26, 23 August 2025 Litttle master talk contribs 5,099 bytes +1,005 →Solution 4
• curprev 13:1913:19, 23 August 2025 Litttle master talk contribs 4,094 bytes +16 →Solution 4

9 June 2024

• curprev 14:0414:04, 9 June 2024 Litboi102 talk contribs 4,078 bytes 0 →Solution 4
• curprev 14:0314:03, 9 June 2024 Litboi102 talk contribs m 4,078 bytes 0 →Solution 3
• curprev 13:5813:58, 9 June 2024 Litboi102 talk contribs m 4,078 bytes 0 →Solution 2

17 March 2024

• curprev 20:3620:36, 17 March 2024 Owlly81 talk contribs 4,078 bytes −3 Undo revision 216773 by Notsixtyfour (talk) Tag: Undo

10 March 2024

• curprev 15:1815:18, 10 March 2024 Notsixtyfour talk contribs m 4,081 bytes +3 →Solution 2
• curprev 15:1715:17, 10 March 2024 Notsixtyfour talk contribs m 4,078 bytes −1 →Solution 2

8 March 2024

• curprev 23:0623:06, 8 March 2024 Serengeti22 talk contribs 4,079 bytes −969 →Solution 1

8 May 2021

• curprev 16:2916:29, 8 May 2021 Puffer13 talk contribs m 5,048 bytes 0 →Video Solution by the Beauty of Math

31 December 2020

• curprev 13:0113:01, 31 December 2020 Virjoy2001 talk contribs m 5,048 bytes −3 →Problem

28 December 2020

• curprev 12:4812:48, 28 December 2020 Sugar rush talk contribs 5,051 bytes +147 No edit summary

18 January 2020

• curprev 21:2821:28, 18 January 2020 Lovemath21 talk contribs 4,904 bytes +7 →Solution 4

7 February 2018

• curprev 08:3608:36, 7 February 2018 Chen1046 talk contribs 4,897 bytes −846 →Solution 5
• curprev 08:2608:26, 7 February 2018 Chen1046 talk contribs 5,743 bytes +846 →Solution 4

12 October 2017

• curprev 21:2621:26, 12 October 2017 Pi 3.14 squared talk contribs 4,897 bytes +593 No edit summary

14 February 2017

• curprev 19:0719:07, 14 February 2017 Henry12345 talk contribs m 4,304 bytes +2 →Solution 2

16 February 2015

• curprev 15:4715:47, 16 February 2015 Emm talk contribs 4,302 bytes +708 No edit summary

4 July 2013

• curprev 11:0111:01, 4 July 2013 Nathan wailes talk contribs 3,594 bytes +15 No edit summary

8 April 2013

• curprev 19:5419:54, 8 April 2013 JWK750 talk contribs 3,579 bytes +50 →See Also

3 February 2013

• curprev 19:3419:34, 3 February 2013 Jkoj25 talk contribs m 3,529 bytes 0 spelling of essence was wrong

18 February 2012

• curprev 19:4319:43, 18 February 2012 Peace153 talk contribs m 3,529 bytes 0 No edit summary

7 February 2012

• curprev 20:1220:12, 7 February 2012 Talkinaway talk contribs 3,529 bytes +1,758 →Solution

8 May 2011

• curprev 09:4509:45, 8 May 2011 Kacheep talk contribs m 1,771 bytes 0 →See Also
• curprev 09:4509:45, 8 May 2011 Kacheep talk contribs m 1,771 bytes +64 →Solution

15 February 2011

• curprev 22:4522:45, 15 February 2011 Flyingpenguin talk contribs 1,707 bytes +1,020 No edit summary

12 February 2011

• curprev 20:4720:47, 12 February 2011 Jamesshin97 talk contribs 687 bytes +687 Created page with '== Problem 21 == Two counterfeit coins of equal weight are mixed with 8 identical genuine coins. The weight of each of the counterfeit coins is different from the weight of each …'