{"id":6832,"date":"2026-02-13T13:27:09","date_gmt":"2026-02-13T12:27:09","guid":{"rendered":"https:\/\/ginclub.website\/home2\/gentsinnyon\/?page_id=6832"},"modified":"2026-02-13T13:27:09","modified_gmt":"2026-02-13T12:27:09","slug":"why-did-we-start-this-puzzlers-group","status":"publish","type":"page","link":"https:\/\/ginclub.website\/home2\/gentsinnyon\/gin-club-home\/who-are-we\/puzzlers-group\/why-did-we-start-this-puzzlers-group\/","title":{"rendered":"Why did we start this puzzlers group?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The idea arose out of a puzzle involving 2 circles and a square that Nathan shared on a hike to Vermeilley December 2025, details are in the <a href=\"https:\/\/ginclub.website\/home2\/gentsinnyon\/2025\/12\/19\/snowshoe-to-le-vermeilley-dec-12-2025\/\" data-type=\"post\" data-id=\"6628\">blog<\/a> but also replicated here. Given 2 touching circles of radius, r, find the area of the square EFGH.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"562\" height=\"336\" src=\"http:\/\/ginclub.website\/home2\/gentsinnyon\/wp-content\/uploads\/2026\/02\/Nathan_2_circles_problem.jpg\" alt=\"\" class=\"wp-image-6833\" srcset=\"https:\/\/ginclub.website\/home2\/gentsinnyon\/wp-content\/uploads\/2026\/02\/Nathan_2_circles_problem.jpg 562w, https:\/\/ginclub.website\/home2\/gentsinnyon\/wp-content\/uploads\/2026\/02\/Nathan_2_circles_problem-300x179.jpg 300w\" sizes=\"auto, (max-width: 562px) 85vw, 562px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Then Peter Taylor shared a set of Christmas puzzles that were great fun.<br><a href=\"https:\/\/www.sciencealert.com\/mathematician-shares-10-festive-brain-teasers-that-anyone-can-try\">https:\/\/www.sciencealert.com\/mathematician-shares-10-festive-brain-teasers-that-anyone-can-try<\/a><br>and here are the solutions although we don&#8217;t agree with all of them<br><a href=\"https:\/\/www.sciencealert.com\/mathematician-shares-solutions-for-10-festive-brain-teasers?utm_source=news.sciencealert.com&amp;utm_medium=newsletter&amp;utm_campaign=today-s-top-science-news\">https:\/\/www.sciencealert.com\/mathematician-shares-solutions-for-10-festive-brain-teasers?utm_source=news.sciencealert.com&amp;utm_medium=newsletter&amp;utm_campaign=today-s-top-science-news<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After many emails between Nathan, Peter T and Mark 2Ts the puzzles were solved but we thought it would be a good idea to share and solve other problems, hence this puzzlers group.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Not a puzzle but certainly interesting was the fact Ross shared on the <a href=\"https:\/\/ginclub.website\/home2\/gentsinnyon\/2025\/06\/23\/creux-du-van-hike-june-19-2025\/\" data-type=\"post\" data-id=\"6010\">Creux du Van hike last June<\/a><\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">Essentially take any 4 digit number and rearrange the digits highest to lowest and lowest to highest. Subtract one of these from the other to give a new 4 digit number and repeat the procedure. This ultimately produces 6174.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">On an earlier walk, Mike Price also introduced a puzzle from the Guardian involving a circle. How to drop a perpendicular from any point onto a diameter without using any measuring device. No compasses, no marked ruler, just a pencil and an unmarked straight edge. This was posed by a Russian prime minister, \u00a0Mikhail Mishustin, on a visit to a school.<br><a href=\"https:\/\/www.theguardian.com\/science\/2021\/sep\/20\/can-you-solve-it-russias-prime-minister-sets-a-geometry-puzzle?CMP=share_btn_url\">https:\/\/www.theguardian.com\/science\/2021\/sep\/20\/can-you-solve-it-russias-prime-minister-sets-a-geometry-puzzle?CMP=share_btn_url<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Above seems to indicate there will be some interest in a puzzlers group. Also an initial note immediately returned the names of 10 members who are interested. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>The idea arose out of a puzzle involving 2 circles and a square that Nathan shared on a hike to Vermeilley December 2025, details are in the blog but also replicated here. Given 2 touching circles of radius, r, find the area of the square EFGH. Then Peter Taylor shared a set of Christmas puzzles &hellip; <a href=\"https:\/\/ginclub.website\/home2\/gentsinnyon\/gin-club-home\/who-are-we\/puzzlers-group\/why-did-we-start-this-puzzlers-group\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Why did we start this puzzlers group?&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":6826,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6832","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/ginclub.website\/home2\/gentsinnyon\/wp-json\/wp\/v2\/pages\/6832","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ginclub.website\/home2\/gentsinnyon\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ginclub.website\/home2\/gentsinnyon\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ginclub.website\/home2\/gentsinnyon\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ginclub.website\/home2\/gentsinnyon\/wp-json\/wp\/v2\/comments?post=6832"}],"version-history":[{"count":1,"href":"https:\/\/ginclub.website\/home2\/gentsinnyon\/wp-json\/wp\/v2\/pages\/6832\/revisions"}],"predecessor-version":[{"id":6834,"href":"https:\/\/ginclub.website\/home2\/gentsinnyon\/wp-json\/wp\/v2\/pages\/6832\/revisions\/6834"}],"up":[{"embeddable":true,"href":"https:\/\/ginclub.website\/home2\/gentsinnyon\/wp-json\/wp\/v2\/pages\/6826"}],"wp:attachment":[{"href":"https:\/\/ginclub.website\/home2\/gentsinnyon\/wp-json\/wp\/v2\/media?parent=6832"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}