{"id":21139,"date":"2026-05-25T16:52:07","date_gmt":"2026-05-25T10:52:07","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/floor-tiling-cost-from-area-17\/"},"modified":"2026-05-25T16:52:07","modified_gmt":"2026-05-25T10:52:07","slug":"floor-tiling-cost-from-area-17","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/floor-tiling-cost-from-area-17\/","title":{"rendered":"Floor Tiling Cost from Area"},"content":{"rendered":"<p>A floor is 87 m long and 14 m wide. If polishing costs 10 taka per m\u00b2, what is the total cost?<\/p>\n<ul class=\"quiz-options\">\n<li>1228 taka<\/li>\n<li>4 units<\/li>\n<li>2020 taka<\/li>\n<li>12180 taka<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2886,2885],"subject":[2746],"education_level":[1894],"class_list":["post-21139","mcq","type-mcq","status-publish","hentry","topic-cost-estimation","topic-mensuration-applications","subject-mensuration","education_level-grade-8"],"mcq_note":"First find the area of the floor: 87 \u00d7 14 = 1218 m\u00b2. Cost = area \u00d7 rate = 1218 \u00d7 10 = 12180 taka. In cost problems, calculate the required area first, then multiply by the cost for one square unit. This avoids the common mistake of multiplying the perimeter by the rate. So the correct choice is 12180 taka.","mcq_options":[{"right":"no","answer":"1228 taka"},{"right":"no","answer":"4 units"},{"right":"no","answer":"2020 taka"},{"right":"yes","answer":"12180 taka"}],"multi_answers":"no","subject_terms":[{"id":2746,"title":"Mensuration","slug":"mensuration"}],"topic_terms":[{"id":2886,"title":"Cost Estimation","slug":"cost-estimation"},{"id":2885,"title":"Mensuration Applications","slug":"mensuration-applications"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/21139","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=21139"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=21139"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=21139"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=21139"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=21139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}