{"id":24822,"date":"2026-05-01T10:11:05","date_gmt":"2026-05-01T10:11:05","guid":{"rendered":"https:\/\/albotips.com\/?p=24822"},"modified":"2026-05-01T10:11:05","modified_gmt":"2026-05-01T10:11:05","slug":"what-letter-is-missing-a-simple-puzzle-that-tricks-many-people-2","status":"publish","type":"post","link":"https:\/\/albotips.com\/?p=24822","title":{"rendered":"What Letter Is Missing? A Simple Puzzle That Tricks Many People!"},"content":{"rendered":"<section class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-(--header-height)\" dir=\"auto\" data-turn-id=\"ed15352f-1653-4547-8685-6708770866bb\" data-testid=\"conversation-turn-59\" data-scroll-anchor=\"false\" data-turn=\"user\"><\/section>\n<section class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:c738f3b9-403a-4430-a323-2799634e2538-29\" data-testid=\"conversation-turn-60\" data-scroll-anchor=\"false\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\">\n<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=\"50183721-2651-49b1-9ea0-d5ffcf1e6b9c\" 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=\"206\">At first, it looks like normal alphabetical order, so many people guess B. But the trick is to convert letters into numbers:<\/p>\n<p data-start=\"208\" data-end=\"231\">A = 1<br data-start=\"213\" data-end=\"216\" \/>C = 3<br data-start=\"221\" data-end=\"224\" \/>G = 7<\/p>\n<p data-start=\"233\" data-end=\"268\">Now the pattern becomes: 1, 3, 7, ?<\/p>\n<p data-start=\"270\" data-end=\"323\">The differences increase: +2, then +4, so next is +8.<\/p>\n<p data-start=\"325\" data-end=\"367\">So: 7 + 8 = 15<br data-start=\"339\" data-end=\"342\" \/>The 15th letter is <strong data-start=\"361\" data-end=\"366\">O<\/strong>.<\/p>\n<p data-start=\"369\" data-end=\"388\" data-is-last-node=\"\" data-is-only-node=\"\">Final answer: <strong data-start=\"383\" data-end=\"388\" data-is-last-node=\"\">O<\/strong><\/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\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<div class=\"pointer-events-none -mt-px h-px translate-y-[calc(var(--scroll-root-safe-area-inset-bottom)-14*var(--spacing))]\" aria-hidden=\"true\"><\/div>\n<div class=\"pointer-events-none translate-y-(--scroll-root-safe-area-inset-bottom) R6Vx5W_threadScrollVars min-h-(--gutter-remaining-height,0px) group-data-stream-active\/scroll-root:h-[calc(var(--thread-response-height)-16*var(--spacing))]\"><\/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 normal alphabetical order, so many people guess B. But the trick is to convert letters into numbers: A = 1C = 3G = 7 Now the pattern becomes: 1, 3, 7, ? The differences increase:&#8230;<\/p>\n<p class=\"more-link-wrap\"><a href=\"https:\/\/albotips.com\/?p=24822\" 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":24823,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-24822","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\/24822","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=24822"}],"version-history":[{"count":1,"href":"https:\/\/albotips.com\/index.php?rest_route=\/wp\/v2\/posts\/24822\/revisions"}],"predecessor-version":[{"id":24824,"href":"https:\/\/albotips.com\/index.php?rest_route=\/wp\/v2\/posts\/24822\/revisions\/24824"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/albotips.com\/index.php?rest_route=\/wp\/v2\/media\/24823"}],"wp:attachment":[{"href":"https:\/\/albotips.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=24822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/albotips.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/albotips.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}