{"id":7734,"date":"2017-07-24T11:37:00","date_gmt":"2017-07-24T06:07:00","guid":{"rendered":"http:\/\/race4job.com\/blog\/?p=7734"},"modified":"2017-07-24T17:58:13","modified_gmt":"2017-07-24T12:28:13","slug":"volume-and-surface-area-problems","status":"publish","type":"post","link":"https:\/\/www.race4job.com\/blog\/volume-and-surface-area-problems\/","title":{"rendered":"Volume and surface area problems"},"content":{"rendered":"<p><span style=\"color: #ff0000;\">1. A boat having a length 3 m and breadth 2 m is floating on a lake. The boat sinks by 1 cm when a man gets into it. The mass of the man is :<\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #0000ff;\">\u00a0\u00a0\u00a0\u00a0 (b)<\/span><br \/>\n<span style=\"color: #000000;\">(a) 50 kg<\/span><br \/>\n<span style=\"color: #000000;\"> (b) 60 kg<\/span><br \/>\n<span style=\"color: #000000;\"> (c) 70 kg<\/span><br \/>\n<span style=\"color: #000000;\"> (d) 80 kg<\/span><\/p>\n<p><span style=\"color: #ff0000;\">2.The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to its height. \u00a0 \u00a0<span style=\"color: #0000ff;\"> \u00a0 \u00a0 \u00a0\u00a0<\/span><\/span><span style=\"color: #0000ff;\"> (b)<\/span><br \/>\n<span style=\"color: #000000;\">(a) 3 : 7<\/span><br \/>\n<span style=\"color: #000000;\"> (b) 7 : 3<\/span><br \/>\n<span style=\"color: #000000;\"> (c) 6 : 7<\/span><br \/>\n<span style=\"color: #000000;\"> (d) 7 : 6<\/span><\/p>\n<p><span style=\"color: #ff0000;\">3. A swimming pool 9 m wide and 12 m long is 1 m deep on the shallow side and 4 m deep on the deeper side. Its volume is:<\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #0000ff;\">\u00a0\u00a0\u00a0\u00a0\u00a0 (c)<\/span><br \/>\n<span style=\"color: #000000;\">(a) 260<\/span><br \/>\n<span style=\"color: #000000;\"> (b) 262<\/span><br \/>\n<span style=\"color: #000000;\"> (c) 270<\/span><br \/>\n<span style=\"color: #000000;\"> (d) 272<\/span><\/p>\n<p><span style=\"color: #ff0000;\">4. The cost of the paint is Rs. 36.50 per kg. If 1 kg of paint covers 16 square feet, how much will it cost to paint outside of a cube having 8 feet each side.<\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #0000ff;\">\u00a0\u00a0\u00a0 (c)<\/span><br \/>\n<span style=\"color: #000000;\">(a) Rs. 850<\/span><br \/>\n<span style=\"color: #000000;\"> (b) Rs. 860<\/span><br \/>\n<span style=\"color: #000000;\"> (c) Rs. 876<\/span><br \/>\n<span style=\"color: #000000;\"> (d) Rs. 886<\/span><\/p>\n<p><span style=\"color: #ff0000;\">5.In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is:<\/span>\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #0000ff;\">\u00a0\u00a0 (b)<\/span><br \/>\n<span style=\"color: #000000;\">(a) 75 cu. m<\/span><br \/>\n<span style=\"color: #000000;\"> (b) 750 cu. m<\/span><br \/>\n<span style=\"color: #000000;\"> (c) 7500 cu. m<\/span><br \/>\n<span style=\"color: #000000;\"> (d) 75000 cu. m<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. A boat having a length 3 m and breadth 2 m is floating on a lake. The boat sinks by 1 cm when a man gets into it. The mass of the man is :\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (b) (a) 50 kg (b) 60 kg (c) 70 kg (d) 80 kg 2.The curved surface area of a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-7734","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/posts\/7734","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/comments?post=7734"}],"version-history":[{"count":1,"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/posts\/7734\/revisions"}],"predecessor-version":[{"id":7735,"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/posts\/7734\/revisions\/7735"}],"wp:attachment":[{"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/media?parent=7734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/categories?post=7734"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/tags?post=7734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}