{"id":166919,"date":"2024-04-22T14:17:59","date_gmt":"2024-04-22T08:47:59","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=166919"},"modified":"2024-04-22T14:17:59","modified_gmt":"2024-04-22T08:47:59","slug":"in-a-class-of-78-students-33-33-are-girls-and-the-remaining-are-boys-the-average-of-the-boys-marks-is-77-and-that-of-average","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/in-a-class-of-78-students-33-33-are-girls-and-the-remaining-are-boys-the-average-of-the-boys-marks-is-77-and-that-of-average\/","title":{"rendered":"In a class of 78 students, 33.33% are girls and the remaining are boys. The average of the boys\u2019 marks is 77 and that of average"},"content":{"rendered":"\n<p>In a class of 78 students, 33.33% are girls and the remaining are boys. The average of the boys\u2019 marks is 77 and that of average of whole class is 65. What are the average marks of the girls?<\/p>\n\n\n\n<p>(a) 51.5<\/p>\n\n\n\n<p><strong>(b) 41<\/strong><\/p>\n\n\n\n<p>(c) 43.25<\/p>\n\n\n\n<p>(d) 53<\/p>\n\n\n\n<p>Sol:<\/p>\n\n\n\n<p>Boys: Girls<\/p>\n\n\n\n<p>&nbsp;52 : 26<\/p>\n\n\n\n<p>\u00a02 : 1<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"516\" src=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/04\/image-243-1024x516.png\" alt=\"\" class=\"wp-image-166923\" style=\"width:229px;height:auto\" srcset=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/04\/image-243-1024x516.png 1024w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/04\/image-243-300x151.png 300w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/04\/image-243-768x387.png 768w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/04\/image-243-1536x774.png 1536w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/04\/image-243-2048x1033.png 2048w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/04\/image-243-298x150.png 298w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/04\/image-243-100x50.png 100w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/04\/image-243-694x350.png 694w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/04\/image-243-788x397.png 788w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2024\/04\/image-243.png 238w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Avg marks obtain by gives = 65 \u2013 24<\/p>\n\n\n\n<p>= 41.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In a class of 78 students, 33.33% are girls and the remaining are boys. The average of the boys\u2019 marks is 77 and that of average of whole class is 65. What are the average marks of the girls? (a) 51.5 (b) 41 (c) 43.25 (d) 53 Sol: Boys: Girls &nbsp;52 : 26 \u00a02 : [&hellip;]<\/p>\n","protected":false},"author":419,"featured_media":166930,"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-166919","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\/166919","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=166919"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/166919\/revisions"}],"predecessor-version":[{"id":166931,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/166919\/revisions\/166931"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/166930"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=166919"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=166919"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=166919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}