{"id":21227,"date":"2026-05-25T22:27:00","date_gmt":"2026-05-25T16:27:00","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/work-with-sets-and-venn-diagram-ideas-5\/"},"modified":"2026-05-25T22:27:00","modified_gmt":"2026-05-25T16:27:00","slug":"work-with-sets-and-venn-diagram-ideas-5","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/work-with-sets-and-venn-diagram-ideas-5\/","title":{"rendered":"Work with sets and Venn diagram ideas"},"content":{"rendered":"<p>If U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12} and A = {3, 7, 9, 10, 11}, what is A\u2032?<\/p>\n<ul class=\"quiz-options\">\n<li>{}<\/li>\n<li>{1, 2, 4, 5, 6, 8, 12}<\/li>\n<li>{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}<\/li>\n<li>{3, 7, 9, 10, 11}<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2891,2892],"subject":[2750],"education_level":[1894],"class_list":["post-21227","mcq","type-mcq","status-publish","hentry","topic-sets","topic-venn-diagrams","subject-advanced-mathematics","education_level-grade-8"],"mcq_note":"A\u2032 means the complement of A: all elements in the universal set U that are not in A. The complement is found by comparing A with the universal set. Every element in U that is missing from A belongs to A\u2032. The correct answer is {1, 2, 4, 5, 6, 8, 12}, which matches the calculation or reasoning shown.","mcq_options":[{"right":"no","answer":"{}"},{"right":"yes","answer":"{1, 2, 4, 5, 6, 8, 12}"},{"right":"no","answer":"{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}"},{"right":"no","answer":"{3, 7, 9, 10, 11}"}],"multi_answers":"no","subject_terms":[{"id":2750,"title":"Advanced Mathematics","slug":"advanced-mathematics"}],"topic_terms":[{"id":2891,"title":"Sets","slug":"sets"},{"id":2892,"title":"Venn Diagrams","slug":"venn-diagrams"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/21227","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/comments?post=21227"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=21227"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=21227"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=21227"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=21227"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}