{"id":21137,"date":"2026-05-25T16:52:07","date_gmt":"2026-05-25T10:52:07","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/sphere-volume-from-radius-17\/"},"modified":"2026-05-25T16:52:07","modified_gmt":"2026-05-25T10:52:07","slug":"sphere-volume-from-radius-17","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/sphere-volume-from-radius-17\/","title":{"rendered":"Sphere Volume from Radius"},"content":{"rendered":"<p>Using \u03c0 = 3.14, find the volume of a sphere with radius 6 mm.<\/p>\n<ul class=\"quiz-options\">\n<li>452.16 mm\u00b3<\/li>\n<li>904.32 mm\u00b3<\/li>\n<li>37.68 mm\u00b3<\/li>\n<li>678.24 mm\u00b3<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2882,2877],"subject":[2746],"education_level":[1894],"class_list":["post-21137","mcq","type-mcq","status-publish","hentry","topic-sphere","topic-volume-and-surface-area","subject-mensuration","education_level-grade-8"],"mcq_note":"Volume of a sphere = 4\/3 \u00d7 \u03c0r\u00b3. Substitute r=6: volume = 4\/3 \u00d7 3.14 \u00d7 6\u00b3 = 904.32 cubic mm. A sphere is a fully round solid, so its volume depends on the cube of the radius, r\u00b3. Cubing the radius means multiplying the radius by itself three times before applying 4\/3\u03c0. The answer is in cubic units, so the correct choice is 904.32 mm\u00b3.","mcq_options":[{"right":"no","answer":"452.16 mm\u00b3"},{"right":"yes","answer":"904.32 mm\u00b3"},{"right":"no","answer":"37.68 mm\u00b3"},{"right":"no","answer":"678.24 mm\u00b3"}],"multi_answers":"no","subject_terms":[{"id":2746,"title":"Mensuration","slug":"mensuration"}],"topic_terms":[{"id":2882,"title":"Sphere","slug":"sphere"},{"id":2877,"title":"Volume and Surface Area","slug":"volume-and-surface-area"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/21137","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=21137"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=21137"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=21137"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=21137"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=21137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}