26 August 2025

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23 October 2024

• curprev 20:4720:47, 23 October 2024 Social climber talk contribs m 1,648 bytes −105 →Solution

10 March 2023

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15 January 2023

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9 July 2021

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• curprev 10:3910:39, 9 July 2021 Putu2003 talk contribs m 1,594 bytes −13 →Solution
• curprev 10:3910:39, 9 July 2021 Putu2003 talk contribs m 1,607 bytes +19 →Solution

14 April 2020

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13 November 2019

• curprev 11:4011:40, 13 November 2019 Oprime007 talk contribs 1,599 bytes +8 →Problem 20

9 November 2018

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5 July 2013

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4 March 2012

• curprev 15:2915:29, 4 March 2012 Jmansuri talk contribs 1,569 bytes 0 →See Also
• curprev 15:0715:07, 4 March 2012 Jmansuri talk contribs 1,569 bytes −47 →Solution
• curprev 14:5914:59, 4 March 2012 Jmansuri talk contribs 1,616 bytes −31 →Solution
• curprev 14:4914:49, 4 March 2012 Jmansuri talk contribs 1,647 bytes +26 No edit summary
• curprev 14:2114:21, 4 March 2012 Jmansuri talk contribs 1,621 bytes +1,621 Created page with "==Problem 20== In a room, <math>2/5</math> of the people are wearing gloves, and <math>3/4</math> of the people are wearing hats. What is the minimum number of people in the room..."