{"id":24586,"date":"2026-04-28T11:13:55","date_gmt":"2026-04-28T11:13:55","guid":{"rendered":"https:\/\/albotips.com\/?p=24586"},"modified":"2026-04-28T11:13:55","modified_gmt":"2026-04-28T11:13:55","slug":"what-letter-is-missing-a-simple-puzzle-that-tricks-many-people","status":"publish","type":"post","link":"https:\/\/albotips.com\/?p=24586","title":{"rendered":"What Letter Is Missing? A Simple Puzzle That Tricks Many People!"},"content":{"rendered":"<div class=\"flex max-w-full flex-col gap-4 grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+&amp;]:mt-1\" dir=\"auto\" tabindex=\"0\" data-message-author-role=\"assistant\" data-message-id=\"b45bdb5a-8914-476f-a5d3-4bc810e8b1dc\" data-message-model-slug=\"gpt-5-3-mini\" data-turn-start-message=\"true\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden\">\n<div class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\">\n<p data-start=\"0\" data-end=\"80\">This brain teaser shows four boxes with letters A, C, G, and one missing letter.<\/p>\n<p data-start=\"82\" data-end=\"192\">At first, it looks like a simple alphabet sequence, so many guess B. But the trick is to use letter positions:<\/p>\n<p data-start=\"194\" data-end=\"217\">A = 1<br data-start=\"199\" data-end=\"202\" \/>C = 3<br data-start=\"207\" data-end=\"210\" \/>G = 7<\/p>\n<p data-start=\"219\" data-end=\"324\">Now look at the pattern:<br \/>\n1 \u2192 3 (+2)<br data-start=\"254\" data-end=\"257\" \/>3 \u2192 7 (+4)<br data-start=\"267\" data-end=\"270\" \/>The pattern doubles each time, so the next step is +8:<\/p>\n<p data-start=\"326\" data-end=\"338\">7 + 8 = 15<\/p>\n<p data-start=\"340\" data-end=\"365\">The 15th letter is <strong data-start=\"359\" data-end=\"364\">O<\/strong>.<\/p>\n<p data-start=\"367\" data-end=\"457\" data-is-last-node=\"\" data-is-only-node=\"\">So the missing letter is <strong data-start=\"392\" data-end=\"397\">O<\/strong>, following the pattern of doubling differences: +2, +4, +8.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"z-0 flex min-h-[46px] justify-start\"><\/div>\n<div class=\"mt-3 w-full empty:hidden\">\n<div class=\"text-center\">\n<div>\n<div class=\"inline-flex border border-gray-100 dark:border-gray-700 rounded-xl\">\n<div class=\"bg-token-main-surface-tertiary w-px flex-1 self-stretch\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>This brain teaser shows four boxes with letters A, C, G, and one missing letter. At first, it looks like a simple alphabet sequence, so many guess B. But the trick is to use letter positions: A = 1C = 3G = 7 Now look at the pattern: 1 \u2192 3 (+2)3 \u2192 7 (+4)The&#8230;<\/p>\n<p class=\"more-link-wrap\"><a href=\"https:\/\/albotips.com\/?p=24586\" class=\"more-link\">Read More<span class=\"screen-reader-text\"> &ldquo;What Letter Is Missing? A Simple Puzzle That Tricks Many People!&rdquo;<\/span> &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":24587,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-24586","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/albotips.com\/index.php?rest_route=\/wp\/v2\/posts\/24586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/albotips.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/albotips.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/albotips.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/albotips.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=24586"}],"version-history":[{"count":2,"href":"https:\/\/albotips.com\/index.php?rest_route=\/wp\/v2\/posts\/24586\/revisions"}],"predecessor-version":[{"id":24589,"href":"https:\/\/albotips.com\/index.php?rest_route=\/wp\/v2\/posts\/24586\/revisions\/24589"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/albotips.com\/index.php?rest_route=\/wp\/v2\/media\/24587"}],"wp:attachment":[{"href":"https:\/\/albotips.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=24586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/albotips.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/albotips.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}