{"id":17142,"date":"2026-05-02T03:13:17","date_gmt":"2026-05-01T21:13:17","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/mixed-coprime-count-90\/"},"modified":"2026-05-02T03:13:17","modified_gmt":"2026-05-01T21:13:17","slug":"mixed-coprime-count-90","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/mixed-coprime-count-90\/","title":{"rendered":"Mixed Coprime Count 90"},"content":{"rendered":"<p>How many integers from 1 to 70 are coprime to 70?<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>22<\/li>\n<li>26<\/li>\n<li>46<\/li>\n<li>35<\/li>\n<li>24<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2489,2665,2522],"subject":[1425],"education_level":[1896],"class_list":["post-17142","mcq","type-mcq","status-publish","hentry","topic-arithmetic-number-system","topic-coprime-numbers","topic-number-theory","subject-mathematics","education_level-hsc"],"mcq_note":"This is \u03c6(70). Excluding multiples of prime factors gives 24.","mcq_options":[{"right":"no","answer":"22"},{"right":"no","answer":"26"},{"right":"no","answer":"46"},{"right":"no","answer":"35"},{"right":"yes","answer":"24"}],"multi_answers":"no","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":2522,"title":"Number Theory","slug":"number-theory"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/17142","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=17142"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=17142"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=17142"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=17142"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=17142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}