{"id":16556,"date":"2026-05-01T01:07:30","date_gmt":"2026-04-30T19:07:30","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/select-prime-numbers-5\/"},"modified":"2026-05-01T01:07:30","modified_gmt":"2026-04-30T19:07:30","slug":"select-prime-numbers-5","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/select-prime-numbers-5\/","title":{"rendered":"Select Prime Numbers"},"content":{"rendered":"<p>Select all prime numbers from the list: 21, 29, 31, 39.<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>21<\/li>\n<li>29<\/li>\n<li>31<\/li>\n<li>39<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2489,2498,2497,2501],"subject":[1425],"education_level":[1894,1895],"class_list":["post-16556","mcq","type-mcq","status-publish","hentry","topic-arithmetic-number-system","topic-divisibility","topic-number-system","topic-prime-numbers","subject-mathematics","education_level-grade-8","education_level-ssc"],"mcq_note":"29 and 31 have no divisors other than 1 and themselves so they are prime; 21 and 39 are divisible by 3, so they are composite.","mcq_options":[{"right":"no","answer":"21"},{"right":"yes","answer":"29"},{"right":"yes","answer":"31"},{"right":"no","answer":"39"}],"multi_answers":"yes","subject_terms":[{"id":1425,"title":"Mathematics","slug":"mathematics"}],"topic_terms":[{"id":2489,"title":"Arithmetic &amp; Number System","slug":"arithmetic-number-system"},{"id":2498,"title":"Divisibility","slug":"divisibility"},{"id":2497,"title":"Number System","slug":"number-system"},{"id":2501,"title":"Prime Numbers","slug":"prime-numbers"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/16556","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=16556"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=16556"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=16556"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=16556"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=16556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}