{"id":21304,"date":"2026-05-25T22:28:08","date_gmt":"2026-05-25T16:28:08","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/work-with-sets-and-venn-diagram-ideas-12\/"},"modified":"2026-05-25T22:28:08","modified_gmt":"2026-05-25T16:28:08","slug":"work-with-sets-and-venn-diagram-ideas-12","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/work-with-sets-and-venn-diagram-ideas-12\/","title":{"rendered":"Work with sets and Venn diagram ideas"},"content":{"rendered":"<p>Let A = {5, 9, 11, 12, 15, 16} and B = {4, 5, 9, 12, 16}. What is A \u2229 B?<\/p>\n<ul class=\"quiz-options\">\n<li>{11, 15}<\/li>\n<li>{}<\/li>\n<li>{4, 5, 9, 11, 12, 15, 16}<\/li>\n<li>{5, 9, 12, 16}<\/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-21304","mcq","type-mcq","status-publish","hentry","topic-sets","topic-venn-diagrams","subject-advanced-mathematics","education_level-grade-8"],"mcq_note":"A \u2229 B means the elements common to both sets. Check each element and keep only those appearing in both A and B. The intersection keeps only the elements shared by both sets. Elements that appear in just one set are left out. The correct answer is {5, 9, 12, 16}, which matches the calculation or reasoning shown.","mcq_options":[{"right":"no","answer":"{11, 15}"},{"right":"no","answer":"{}"},{"right":"no","answer":"{4, 5, 9, 11, 12, 15, 16}"},{"right":"yes","answer":"{5, 9, 12, 16}"}],"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\/21304","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=21304"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=21304"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=21304"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=21304"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=21304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}