{"version":"1.0","provider_name":"Anonymous Christian","provider_url":"https:\/\/www.anonymouschristian.org","author_name":"Anonymous Christian","author_url":"https:\/\/www.anonymouschristian.org\/blog\/author\/anonymous-christian\/","title":"An interesting brain teaser &#8211; Anonymous Christian","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"o3ZKWYihHR\"><a href=\"https:\/\/www.anonymouschristian.org\/blog\/an-interesting-brain-teaser\/\">An interesting brain teaser<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.anonymouschristian.org\/blog\/an-interesting-brain-teaser\/embed\/#?secret=o3ZKWYihHR\" width=\"600\" height=\"338\" title=\"&#8220;An interesting brain teaser&#8221; &#8212; Anonymous Christian\" data-secret=\"o3ZKWYihHR\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.anonymouschristian.org\/home\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.anonymouschristian.org\/home\/wp-content\/uploads\/2024\/04\/anonymous-christian-default-featured-image-768x768.webp","thumbnail_width":600,"thumbnail_height":600,"description":"Question We have 100 lamps, numbered 1, 2, &#8230;, 100. Initially they are all off. 1) we press the switches of the lights whose number is an integer multiple of 1, that is, the switches of all 100 lamps are pressed and therefore are turned on. 2) we then press the switches of the lights..."}