{"id":35916,"date":"2026-05-01T03:22:54","date_gmt":"2026-04-30T21:22:54","guid":{"rendered":"https:\/\/mcqacademy.com\/bn\/mcq\/sum-of-first-20-natural-numbers-2\/"},"modified":"2026-05-01T03:22:54","modified_gmt":"2026-04-30T21:22:54","slug":"sum-of-first-20-natural-numbers-2","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/bn\/mcq\/sum-of-first-20-natural-numbers-2\/","title":{"rendered":"\u09aa\u09cd\u09b0\u09a5\u09ae 20 \u09aa\u09cd\u09b0\u09be\u0995\u09c3\u09a4\u09bf\u0995 \u09b8\u0982\u0996\u09cd\u09af\u09be\u09b0 \u09af\u09cb\u0997\u09ab\u09b2"},"content":{"rendered":"<p>\u09aa\u09cd\u09b0\u09a5\u09ae 20\u099f\u09bf \u09aa\u09cd\u09b0\u09be\u0995\u09c3\u09a4\u09bf\u0995 \u09b8\u0982\u0996\u09cd\u09af\u09be\u09b0 \u09af\u09cb\u0997\u09ab\u09b2 \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u09c1\u09a8\u0964<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>190<\/li>\n<li>200<\/li>\n<li>210<\/li>\n<li>220<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[8387,8539,8356],"subject":[7852],"education_level":[8341,8342],"class_list":["post-35916","mcq","type-mcq","status-publish","hentry","topic-arithmetic","topic-series-and-sums","topic-arithmetic-number-system","subject-mathematics","education_level-grade-8","education_level-ssc"],"mcq_note":"\u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u09b8\u09c2\u09a4\u09cd\u09b0 n(n+1)\/2 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u0997 \u0995\u09b0\u09c7 n=20: 20\u00d721\/2 = 210, \u09a4\u09be\u0987 \u09af\u09cb\u0997\u09ab\u09b2 210\u0964","mcq_options":[{"right":"no","answer":"190"},{"right":"no","answer":"200"},{"right":"yes","answer":"210"},{"right":"no","answer":"220"}],"multi_answers":"no","subject_terms":[{"id":7852,"title":"\u0997\u09a3\u09bf\u09a4\u09b6\u09be\u09b8\u09cd\u09a4\u09cd\u09b0","slug":"mathematics"}],"topic_terms":[{"id":8387,"title":"\u0985\u0999\u09cd\u0995","slug":"arithmetic"},{"id":8539,"title":"\u09a7\u09be\u09b0\u09be \u0993 \u09af\u09cb\u0997\u09ab\u09b2","slug":"series-and-sums"},{"id":8356,"title":"\u09aa\u09be\u099f\u09bf\u0997\u09a3\u09bf\u09a4 \u0993 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf","slug":"arithmetic-number-system"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/mcq\/35916","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/comments?post=35916"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/media?parent=35916"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/topic?post=35916"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/subject?post=35916"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/education_level?post=35916"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}