24 August 2025

• curprev 21:0221:02, 24 August 2025 Pinotation talk contribs 2,084 bytes +13 →Solution 2 (Variation of Solution 1)
• curprev 21:0021:00, 24 August 2025 Pinotation talk contribs 2,071 bytes +824 →Solution

26 June 2023

• curprev 23:0923:09, 26 June 2023 Thestudyofeverything talk contribs 1,247 bytes −3 →Video Solution (CREATIVE THINKING)
• curprev 23:0823:08, 26 June 2023 Thestudyofeverything talk contribs 1,250 bytes +110 →Video Solution

16 July 2020

• curprev 10:2110:21, 16 July 2020 Savannahsolver talk contribs 1,140 bytes +66 No edit summary

23 January 2020

• curprev 09:2109:21, 23 January 2020 Zion121 talk contribs 1,074 bytes −29 →Solution 23497234827458704989327428349
• curprev 09:2109:21, 23 January 2020 Zion121 talk contribs m 1,103 bytes +30 →Solution

16 November 2017

• curprev 00:2800:28, 16 November 2017 Bstusiak talk contribs 1,073 bytes +1 No edit summary

20 May 2015

• curprev 10:0010:00, 20 May 2015 Benq talk contribs 1,072 bytes +51 No edit summary

26 January 2015

• curprev 13:2713:27, 26 January 2015 Equationcrunchor talk contribs m 1,021 bytes −36 →Solution

9 February 2014

• curprev 11:1611:16, 9 February 2014 Bestwillcui1 talk contribs m 1,057 bytes +428 →Solution 1
• curprev 11:1211:12, 9 February 2014 Bestwillcui1 talk contribs 629 bytes −251 →Solution 2

7 February 2014

• curprev 19:4719:47, 7 February 2014 El Ectric talk contribs 880 bytes +11 →Solution 1

6 February 2014

• curprev 22:1222:12, 6 February 2014 TheMaskedMagician talk contribs m 869 bytes +18 →Solution 2
• curprev 22:1222:12, 6 February 2014 TheMaskedMagician talk contribs 851 bytes +235 →Solution
• curprev 22:1122:11, 6 February 2014 TheMaskedMagician talk contribs 616 bytes +75 No edit summary
• curprev 21:5021:50, 6 February 2014 Mishai talk contribs 541 bytes +292 No edit summary
• curprev 21:4821:48, 6 February 2014 TheMaskedMagician talk contribs m 249 bytes +1 →Proble
• curprev 21:4821:48, 6 February 2014 TheMaskedMagician talk contribs 248 bytes +248 Created page with "==Proble== Which of the following number is a perfect square? <math> \textbf{(A)}\ \dfrac{14!15!}2\qquad\textbf{(B)}\ \dfrac{15!16!}2\qquad\textbf{(C)}\ \dfrac{16!17!}2\qquad\t..."