{"id":1912,"date":"2026-04-29T13:17:50","date_gmt":"2026-04-29T13:17:50","guid":{"rendered":"https:\/\/mcqacademy.com\/ar\/mcq\/sum-of-first-15-natural-numbers\/"},"modified":"2026-04-29T13:17:50","modified_gmt":"2026-04-29T13:17:50","slug":"sum-of-first-15-natural-numbers","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/ar\/mcq\/sum-of-first-15-natural-numbers\/","title":{"rendered":"\u0645\u062c\u0645\u0648\u0639 \u0623\u0648\u0644 15 \u0639\u062f\u062f\u064b\u0627 \u0637\u0628\u064a\u0639\u064a\u064b\u0627"},"content":{"rendered":"<p>\u0623\u0648\u062c\u062f \u0645\u062c\u0645\u0648\u0639 \u0623\u0648\u0644 15 \u0639\u062f\u062f\u064b\u0627 \u0637\u0628\u064a\u0639\u064a\u064b\u0627.<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>105<\/li>\n<li>120<\/li>\n<li>135<\/li>\n<li>150<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[715,839,833],"subject":[123],"education_level":[3,4],"class_list":["post-1912","mcq","type-mcq","status-publish","hentry","topic-arithmetic-number-system","topic-arithmetic-progression","topic-sequences-and-series","subject-mathematics","education_level-grade-8","education_level-ssc"],"mcq_note":"\u0645\u062c\u0645\u0648\u0639 \u0623\u0648\u0644 n \u0639\u062f\u062f\u064b\u0627 \u0637\u0628\u064a\u0639\u064a\u064b\u0627 = n(n+1)\/2. \u0639\u0646\u062f\u0645\u0627 n = 15: 15\u00d716\/2 = 120\u060c \u0625\u0630\u064b\u0627 \u0627\u0644\u0645\u062c\u0645\u0648\u0639 120.","mcq_options":[{"right":"no","answer":"105"},{"right":"yes","answer":"120"},{"right":"no","answer":"135"},{"right":"no","answer":"150"}],"multi_answers":"no","subject_terms":[{"id":123,"title":"Mathematics","slug":"mathematics"}],"topic_terms":[{"id":715,"title":"\u0627\u0644\u062d\u0633\u0627\u0628 \u0648\u0646\u0638\u0627\u0645 \u0627\u0644\u0623\u0639\u062f\u0627\u062f","slug":"arithmetic-number-system"},{"id":839,"title":"\u0627\u0644\u0645\u062a\u062a\u0627\u0628\u0639\u0629 \u0627\u0644\u062d\u0633\u0627\u0628\u064a\u0629","slug":"arithmetic-progression"},{"id":833,"title":"\u0627\u0644\u0645\u062a\u062a\u0627\u0644\u064a\u0627\u062a \u0648\u0627\u0644\u0645\u062a\u0633\u0644\u0633\u0644\u0627\u062a","slug":"sequences-and-series"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/ar\/wp-json\/wp\/v2\/mcq\/1912","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/ar\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/ar\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/ar\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/ar\/wp-json\/wp\/v2\/comments?post=1912"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/ar\/wp-json\/wp\/v2\/media?parent=1912"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/ar\/wp-json\/wp\/v2\/topic?post=1912"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/ar\/wp-json\/wp\/v2\/subject?post=1912"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/ar\/wp-json\/wp\/v2\/education_level?post=1912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}