{"id":16577,"date":"2026-05-01T01:12:35","date_gmt":"2026-04-30T19:12:35","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/smallest-digit-for-divisibility-by-3\/"},"modified":"2026-05-01T01:12:35","modified_gmt":"2026-04-30T19:12:35","slug":"smallest-digit-for-divisibility-by-3","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/smallest-digit-for-divisibility-by-3\/","title":{"rendered":"Smallest Digit For Divisibility By 3"},"content":{"rendered":"<p>Find the smallest digit d (0\u20139) such that the four-digit number formed by 1, 2, 3 and d (i.e., 123d) is divisible by 3.<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>0<\/li>\n<li>1<\/li>\n<li>2<\/li>\n<li>3<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2489,2677,2508],"subject":[1425],"education_level":[1894,1895],"class_list":["post-16577","mcq","type-mcq","status-publish","hentry","topic-arithmetic-number-system","topic-digit-properties","topic-divisibility-rules","subject-mathematics","education_level-grade-8","education_level-ssc"],"mcq_note":"A number is divisible by 3 if the sum of its digits is divisible by 3; 1+2+3=6, so adding d must keep the sum divisible by 3; the smallest such digit is 0 since 6+0 = 6.","mcq_options":[{"right":"yes","answer":"0"},{"right":"no","answer":"1"},{"right":"no","answer":"2"},{"right":"no","answer":"3"}],"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":2677,"title":"Digit Properties","slug":"digit-properties"},{"id":2508,"title":"Divisibility Rules","slug":"divisibility-rules"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/16577","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=16577"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=16577"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=16577"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=16577"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=16577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}