{"id":17140,"date":"2026-05-02T03:12:58","date_gmt":"2026-05-01T21:12:58","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/mixed-factorial-trailing-zeros-88\/"},"modified":"2026-05-02T03:12:58","modified_gmt":"2026-05-01T21:12:58","slug":"mixed-factorial-trailing-zeros-88","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/mixed-factorial-trailing-zeros-88\/","title":{"rendered":"Mixed Factorial Trailing Zeros 88"},"content":{"rendered":"<p>Calculate the number of trailing zeros in 90!.<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>21<\/li>\n<li>17<\/li>\n<li>25<\/li>\n<li>22<\/li>\n<li>20<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2489,2697,2698],"subject":[1425],"education_level":[1896],"class_list":["post-17140","mcq","type-mcq","status-publish","hentry","topic-arithmetic-number-system","topic-factorial","topic-trailing-zeros","subject-mathematics","education_level-hsc"],"mcq_note":"Count factors of 5 in 90!: floor divisions by 5, 25, 125, etc. The total is 21.","mcq_options":[{"right":"yes","answer":"21"},{"right":"no","answer":"17"},{"right":"no","answer":"25"},{"right":"no","answer":"22"},{"right":"no","answer":"20"}],"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":2697,"title":"Factorial","slug":"factorial"},{"id":2698,"title":"Trailing Zeros","slug":"trailing-zeros"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/17140","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=17140"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=17140"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=17140"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=17140"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=17140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}