{"id":16520,"date":"2026-04-30T03:04:52","date_gmt":"2026-04-29T21:04:52","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/choose-co-prime-pairs\/"},"modified":"2026-04-30T03:04:52","modified_gmt":"2026-04-29T21:04:52","slug":"choose-co-prime-pairs","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/choose-co-prime-pairs\/","title":{"rendered":"Choose Co-Prime Pairs"},"content":{"rendered":"<p>Which of the following pairs of integers are co-prime (share no common factors greater than 1)? Select all that apply.<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>14 and 25<\/li>\n<li>18 and 27<\/li>\n<li>8 and 15<\/li>\n<li>21 and 35<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2489,2665,2523],"subject":[1425],"education_level":[1894,1895],"class_list":["post-16520","mcq","type-mcq","status-publish","hentry","topic-arithmetic-number-system","topic-coprime-numbers","topic-factors-and-multiples","subject-mathematics","education_level-grade-8","education_level-ssc"],"mcq_note":"Co-prime pairs have gcd 1: 14 and 25 share no common prime factors, and 8 and 15 share none, so both are co-prime; the other pairs have common factors &gt;1.","mcq_options":[{"right":"yes","answer":"14 and 25"},{"right":"no","answer":"18 and 27"},{"right":"yes","answer":"8 and 15"},{"right":"no","answer":"21 and 35"}],"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":2665,"title":"Coprime Numbers","slug":"coprime-numbers"},{"id":2523,"title":"Factors And Multiples","slug":"factors-and-multiples"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/16520","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=16520"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=16520"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=16520"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=16520"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=16520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}