{"id":4372,"date":"2025-04-26T08:23:25","date_gmt":"2025-04-26T12:23:25","guid":{"rendered":"https:\/\/josmfs.net\/?p=4372"},"modified":"2025-04-26T08:23:25","modified_gmt":"2025-04-26T12:23:25","slug":"brick-in-water-puzzle","status":"publish","type":"post","link":"https:\/\/josmfs.net\/wordpress\/2025\/04\/26\/brick-in-water-puzzle\/","title":{"rendered":"Brick in Water Puzzle"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft  wp-image-4369\" src=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/04\/Brick-in-Water-Fig2.jpg\" alt=\"\" width=\"301\" height=\"214\" srcset=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/04\/Brick-in-Water-Fig2.jpg 600w, https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/04\/Brick-in-Water-Fig2-300x214.jpg 300w\" sizes=\"auto, (max-width: 301px) 100vw, 301px\" \/>I thought this puzzle, which was included among a set of seven <a href=\"https:\/\/mindyourdecisions.com\/blog\/2025\/04\/16\/7-challenging-logical-puzzles\">challenges<\/a> assembled by Presh Talwalkar, would be fairly straight-forward.<\/p>\n<p>\u201cA cube of 50 cm is filled halfway with water. A rectangular prism with a square base of 25 cm and a height around 50 cm is placed flat onto the base of the cube, as shown. By how much does the water level rise?<\/p>\n<p>Thanks to Fahad Alomaim for the suggestion! This is translated from a Mawhiba curriculum question for 8th grade.\u201d<\/p>\n<p>But I got the wrong answer and found Talwalkar\u2019s solution a bit hard to fathom at first.\u00a0 Looks like I flunked 8<sup>th<\/sup> grade.<\/p>\n<p><a href=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/04\/Brick-in-Water-Answer.jpg\">Answer<\/a>.<\/p>\n<p>See <a href=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/04\/Brick-in-Water-Puzzle-250416.pdf\">Brick in Water Puzzle<\/a> for solutions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I thought this puzzle, which was included among a set of seven challenges assembled by Presh Talwalkar, would be fairly straight-forward. \u201cA cube of 50 cm is filled halfway with water. A rectangular prism with a square base of 25 cm and a height around 50 cm is placed flat onto the base of the [&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":[133,17],"class_list":["post-4372","post","type-post","status-publish","format-standard","hentry","category-puzzles-and-problems","tag-algebra","tag-presh-talwalkar"],"_links":{"self":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts\/4372","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=4372"}],"version-history":[{"count":1,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts\/4372\/revisions"}],"predecessor-version":[{"id":4373,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts\/4372\/revisions\/4373"}],"wp:attachment":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/media?parent=4372"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/categories?post=4372"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/tags?post=4372"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}