17 October 2025

• curprev 14:1214:12, 17 October 2025 Gabrielle.esther talk contribs m 7,759 bytes +13 →Solution 4

9 September 2025

• curprev 23:2823:28, 9 September 2025 Pinotation talk contribs 7,746 bytes +1,404 No edit summary

17 May 2025

• curprev 09:0909:09, 17 May 2025 Pungent muskrat talk contribs m 6,342 bytes 0 →Solution 3

3 November 2024

• curprev 20:3220:32, 3 November 2024 Incrediblemonkey40 talk contribs 6,342 bytes −25 →Solution 2
• curprev 01:2501:25, 3 November 2024 Kwc talk contribs 6,367 bytes +25 →Solution 2

31 October 2024

• curprev 05:0805:08, 31 October 2024 MRENTHUSIASM talk contribs m 6,342 bytes 0 →Problem

24 August 2024

• curprev 11:2811:28, 24 August 2024 Mihikamishra talk contribs 6,342 bytes +1,417 →Solution 4 (Pigeonhole v2)

2 August 2024

• curprev 14:4914:49, 2 August 2024 Slithy tove talk contribs 4,925 bytes −865 This solution is not at all rigorous, so I removed it

21 June 2024

• curprev 13:0213:02, 21 June 2024 Icematrix talk contribs m 5,790 bytes +86 No edit summary

13 November 2023

• curprev 10:4610:46, 13 November 2023 Mihikamishra talk contribs 5,704 bytes +865 →Solution 4 (Pigeonhole v2)

19 October 2023

• curprev 00:5300:53, 19 October 2023 Starwars101 talk contribs m 4,839 bytes 0 →Solution 4 (Pigeonhole v2)
• curprev 00:5200:52, 19 October 2023 Starwars101 talk contribs m 4,839 bytes 0 →Solution 4 (Pigeonhole v2)
• curprev 00:4300:43, 19 October 2023 Starwars101 talk contribs m 4,839 bytes +93 added conclusion to solution 4
• curprev 00:4000:40, 19 October 2023 Starwars101 talk contribs 4,746 bytes +1,344 Added another solution using Pigeonhole

18 October 2023

• curprev 23:2623:26, 18 October 2023 Wiselion talk contribs 3,402 bytes +1 →Solution 3
• curprev 23:2623:26, 18 October 2023 Wiselion talk contribs 3,401 bytes +34 →Solution 3
• curprev 23:2623:26, 18 October 2023 Wiselion talk contribs 3,367 bytes +1 →Solution 3
• curprev 23:2523:25, 18 October 2023 Wiselion talk contribs 3,366 bytes +12 →Solution 3
• curprev 23:2523:25, 18 October 2023 Wiselion talk contribs 3,354 bytes +587 →Solution 2

16 October 2023

• curprev 16:0116:01, 16 October 2023 Ashwink talk contribs 2,767 bytes −2 →Video Solution by Interstigationfr
• curprev 16:0116:01, 16 October 2023 Ashwink talk contribs 2,769 bytes +2 →Video Solution by Interstigation

4 July 2023

• curprev 21:0021:00, 4 July 2023 Mrthinker talk contribs 2,767 bytes −5 →Solution 1 (Pigeonhole Principle)

11 May 2023

• curprev 00:0900:09, 11 May 2023 Cellsecret talk contribs 2,772 bytes +67 →Video Solution

9 December 2022

• curprev 08:0408:04, 9 December 2022 Mrthinker talk contribs 2,705 bytes 0 →Solution 2

8 December 2022

• curprev 21:5421:54, 8 December 2022 Mrthinker talk contribs 2,705 bytes 0 →Solution 1 (Pigeonhole Principle)

6 December 2022

• curprev 11:0711:07, 6 December 2022 Account123123123 talk contribs 2,705 bytes +123 answer choices

3 December 2022

• curprev 05:1105:11, 3 December 2022 MRENTHUSIASM talk contribs m 2,582 bytes 0 →Problem
• curprev 05:1005:10, 3 December 2022 MRENTHUSIASM talk contribs m 2,582 bytes +2 →Solution (Pigeonhole Principle)

21 November 2022

• curprev 23:2523:25, 21 November 2022 MRENTHUSIASM talk contribs m 2,580 bytes +11 →Solution (Pigeonhole Principle)
• curprev 23:2523:25, 21 November 2022 MRENTHUSIASM talk contribs m 2,569 bytes −1 →Solution (Pigeonhole Principle)
• curprev 23:2523:25, 21 November 2022 MRENTHUSIASM talk contribs m 2,570 bytes +12 →Solution (Pigeonhole Principle)

19 November 2022

• curprev 07:3307:33, 19 November 2022 Kavya.rajesh talk contribs 2,558 bytes +858 No edit summary

18 November 2022

• curprev 08:0108:01, 18 November 2022 Not slay talk contribs 1,700 bytes 0 →See Also
• curprev 08:0108:01, 18 November 2022 Not slay talk contribs 1,700 bytes +77 →Video Solution

17 November 2022

• curprev 16:3816:38, 17 November 2022 Mathisfun21 talk contribs m 1,623 bytes +13 →Solution (Pigeonhole Principle)
• curprev 13:2813:28, 17 November 2022 Stevenyiweichen talk contribs 1,610 bytes +1,610 Created page with "==Problem== Suppose that <math>S</math> is a subset of <math>\left\{ 1, 2, 3, \cdots , 25 \right\}</math> such that the sum of any two (not necessarily distinct) elements of..."