{"id":4848,"date":"2026-05-02T14:13:21","date_gmt":"2026-05-02T18:13:21","guid":{"rendered":"https:\/\/josmfs.net\/wordpress\/?p=4848"},"modified":"2026-05-02T15:01:45","modified_gmt":"2026-05-02T19:01:45","slug":"three-rulers-puzzle","status":"publish","type":"post","link":"https:\/\/josmfs.net\/wordpress\/2026\/05\/02\/three-rulers-puzzle\/","title":{"rendered":"Three Rulers Puzzle"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft  wp-image-4845\" src=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2026\/05\/Three-Rulers-Puzzle-Fig2.jpg\" alt=\"\" width=\"251\" height=\"103\" srcset=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2026\/05\/Three-Rulers-Puzzle-Fig2.jpg 500w, https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2026\/05\/Three-Rulers-Puzzle-Fig2-300x123.jpg 300w\" sizes=\"auto, (max-width: 251px) 100vw, 251px\" \/>This is a cute little <a href=\"https:\/\/mindyourdecisions.com\/blog\/2026\/02\/19\/what-is-the-length-of-the-ruler\/\">problem<\/a> from Presh Talwalkar.<\/p>\n<p>\u201cA parent was stumped by his 10 year old\u2019s homework, and posted it to Reddit AskMath. A box contains 3 rulers, as shown. If the blue ruler is 1 cm shorter than the green ruler, what is the length of the yellow ruler?\u201d<\/p>\n<p><a href=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2026\/05\/Three-Rulers-Puzzle-Answer.jpg\">Answer<\/a>.<\/p>\n<p>See <a href=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2026\/05\/Three-Rulers-Puzzle-260502.pdf\">Three Rulers Puzzle<\/a> for solutions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is a cute little problem from Presh Talwalkar. \u201cA parent was stumped by his 10 year old\u2019s homework, and posted it to Reddit AskMath. A box contains 3 rulers, as shown. If the blue ruler is 1 cm shorter than the green ruler, what is the length of the yellow ruler?\u201d Answer. See Three [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[133,174,17],"class_list":["post-4848","post","type-post","status-publish","format-standard","hentry","category-puzzles-and-problems","tag-algebra","tag-logic","tag-presh-talwalkar"],"_links":{"self":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts\/4848","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/comments?post=4848"}],"version-history":[{"count":2,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts\/4848\/revisions"}],"predecessor-version":[{"id":4851,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts\/4848\/revisions\/4851"}],"wp:attachment":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/media?parent=4848"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/categories?post=4848"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/tags?post=4848"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}