{"id":165134,"date":"2024-03-22T14:06:15","date_gmt":"2024-03-22T08:36:15","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=165134"},"modified":"2024-03-22T14:06:17","modified_gmt":"2024-03-22T08:36:17","slug":"a-hallow-cylinder-made-up-of-copper-the-difference-between-its-outer-and-inner-c-s-a-is-1232-cm%c2%b2-and-cylinder-holds-4312-cm%c2%b3","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/a-hallow-cylinder-made-up-of-copper-the-difference-between-its-outer-and-inner-c-s-a-is-1232-cm%c2%b2-and-cylinder-holds-4312-cm%c2%b3\/","title":{"rendered":"A hallow cylinder made up of copper, the difference between its outer and inner C.S.A is 1232 cm\u00b2 and cylinder holds 4312 cm\u00b3"},"content":{"rendered":"\n<p>A hallow cylinder made up of copper, the difference between its outer and inner C.S.A is 1232 cm\u00b2 and cylinder holds 4312 cm\u00b3 water. If the cost of copper is 10\/cm\u00b3. Find the cost of copper used in cylinder, if height of cylinder is 28 cm?<\/p>\n\n\n\n<p>a) Rs. 44120<\/p>\n\n\n\n<p><strong>b) Rs. 43120<\/strong><\/p>\n\n\n\n<p>c) Rs. 43210<\/p>\n\n\n\n<p>d) Rs. 45000<\/p>\n\n\n\n<p>Sol:<\/p>\n\n\n\n<p>Volume of cylinder = 4312<\/p>\n\n\n\n<p>\u03c0r\u00b2h = 4312<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"241\" src=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-197-1024x241.png\" alt=\"\" class=\"wp-image-165135\" style=\"width:150px;height:auto\" srcset=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-197-1024x241.png 1024w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-197-300x71.png 300w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-197-764x180.png 764w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-197-1536x362.png 1536w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-197-2048x483.png 2048w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-197-636x150.png 636w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-197-100x24.png 100w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-197-1485x350.png 1485w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-197-788x185.png 788w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-197.png 157w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>r = 7 cm.<\/p>\n\n\n\n<p>&amp;<\/p>\n\n\n\n<p>2 \u03c0 (R-r) h = 1232<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"156\" src=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-198-1024x156.png\" alt=\"\" class=\"wp-image-165136\" style=\"width:213px;height:auto\" srcset=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-198-1024x156.png 1024w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-198-300x46.png 300w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-198-768x117.png 768w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-198-1536x234.png 1536w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-198-2048x312.png 2048w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-198-985x150.png 985w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-198-100x15.png 100w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-198-788x120.png 788w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/03\/image-198.png 256w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>R=14 cm<\/p>\n\n\n\n<p>\u2234 thickness of hallow cylinder is (14 \u2013 7) = 7 cm<\/p>\n\n\n\n<p>Volume of hollow cylinder = \u03c0 (R \u2013r)\u00b2 h = 22\/7\u00d77\u00d77\u00d728<\/p>\n\n\n\n<p>=&gt;4312 cm<sup>3<\/sup><\/p>\n\n\n\n<p>Hence total cost of copper used = 4312 \u00d7 10 = 43120<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A hallow cylinder made up of copper, the difference between its outer and inner C.S.A is 1232 cm\u00b2 and cylinder holds 4312 cm\u00b3 water. If the cost of copper is 10\/cm\u00b3. Find the cost of copper used in cylinder, if height of cylinder is 28 cm? a) Rs. 44120 b) Rs. 43120 c) Rs. 43210 [&hellip;]<\/p>\n","protected":false},"author":419,"featured_media":165137,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5138],"tags":[5139],"class_list":["post-165134","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-quantitative-aptitude","tag-quantitative-aptitude"],"_links":{"self":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/165134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/users\/419"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/comments?post=165134"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/165134\/revisions"}],"predecessor-version":[{"id":165138,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/165134\/revisions\/165138"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/165137"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=165134"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=165134"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=165134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}