{"id":124943,"date":"2021-09-08T18:53:17","date_gmt":"2021-09-08T13:23:17","guid":{"rendered":"https:\/\/www.kopykitab.com\/blog\/?p=124943"},"modified":"2021-09-08T18:53:22","modified_gmt":"2021-09-08T13:23:22","slug":"rd-sharma-class-9-solutions-chapter-21-mcqs","status":"publish","type":"post","link":"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-9-solutions-chapter-21-mcqs\/","title":{"rendered":"RD Sharma Class 9 Solutions Chapter 21 MCQS ( Updated 2021-22)"},"content":{"rendered":"\n<p><img class=\"alignnone size-full wp-image-125689\" src=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/09\/RD-Sharma-Class-9-Solutions-Chapter-21-MCQS.jpg\" alt=\"RD Sharma Class 9 Solutions Chapter 21 MCQS\" width=\"1200\" height=\"675\" srcset=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/09\/RD-Sharma-Class-9-Solutions-Chapter-21-MCQS.jpg 1200w, https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/09\/RD-Sharma-Class-9-Solutions-Chapter-21-MCQS-768x432.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;RD Sharma Class 9 Solutions Chapter 21 MCQS&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:268732,&quot;5&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;6&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;7&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;8&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;10&quot;:2,&quot;11&quot;:0,&quot;14&quot;:[null,2,0],&quot;15&quot;:&quot;Arial&quot;,&quot;21&quot;:1}\">RD Sharma Class 9 Solutions Chapter 21 MCQS: <\/span><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;RD Sharma Solutions Class 9 Maths Chapter 21 Surface Area And Volume of Sphere&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:4284,&quot;5&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;6&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;7&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;8&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;10&quot;:2,&quot;15&quot;:&quot;Arial&quot;}\"><a href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-solutions-class-9-maths-chapter-21-surface-area-and-volume-of-sphere\/\" target=\"_blank\" rel=\"noopener\">RD Sharma Solutions Class 9 Maths Chapter 21 Surface Area And Volume of Sphere<\/a> MCQS <\/span>can be downloaded. The solutions are created in the detailed manner by our experts. These solutions will be beneficial for you at the time your Class 9 Mathematics examinations. You don&#8217;t need to turn pages to find the answers as free PDF is available below.\u00a0<\/p>\n<ul>\n<li><a href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-9-solutions-for-maths\/\" target=\"_blank\" rel=\"noopener\"><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;RD Sharma Class 9 Maths Solutions&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:4540,&quot;5&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;6&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;7&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;8&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;10&quot;:2,&quot;11&quot;:0,&quot;15&quot;:&quot;Arial&quot;}\">RD Sharma Class 9 Maths Solutions<\/span><\/a><\/li>\n<\/ul>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_47_1 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href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-9-solutions-chapter-21-mcqs\/#faq-rd-sharma-class-9-solutions-chapter-21-mcqs\" title=\"FAQ: RD Sharma Class 9 Solutions Chapter 21 MCQS\">FAQ: RD Sharma Class 9 Solutions Chapter 21 MCQS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-9-solutions-chapter-21-mcqs\/#what-are-the-benefits-of-studying-from-rd-sharma-solutions-class-12\" title=\"What are the benefits of studying from RD Sharma Solutions Class 12?\">What are the benefits of studying from RD Sharma Solutions Class 12?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-9-solutions-chapter-21-mcqs\/#can-i-download-rd-sharma-class-9-solutions-chapter-21-mcqs-pdf-free\" title=\"Can I download RD Sharma Class 9 Solutions Chapter 21 MCQS PDF free?\">Can I download RD Sharma Class 9 Solutions Chapter 21 MCQS PDF free?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-9-solutions-chapter-21-mcqs\/#is-rd-sharma-enough-for-class-12-maths\" title=\"Is RD Sharma enough for Class 12 Maths?\">Is RD Sharma enough for Class 12 Maths?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-9-solutions-chapter-21-mcqs\/#can-i-open-rd-sharma-class-9-solutions-chapter-21-mcqs-pdf-on-my-smartphone\" title=\"Can I open RD Sharma Class 9 Solutions Chapter 21 MCQS PDF on my smartphone?\">Can I open RD Sharma Class 9 Solutions Chapter 21 MCQS PDF on my smartphone?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"access-rd-sharma-class-9-solutions-chapter-21-mcqs\"><\/span>Access <span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;RD Sharma Class 9 Solutions Chapter 21 MCQS&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:268732,&quot;5&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;6&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;7&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;8&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;10&quot;:2,&quot;11&quot;:0,&quot;14&quot;:[null,2,0],&quot;15&quot;:&quot;Arial&quot;,&quot;21&quot;:1}\">RD Sharma Class 9 Solutions Chapter 21 MCQS<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Question 1.<br \/>In a sphere, the number of faces is<br \/>(a) 1<br \/>(b) 2<br \/>(c) 3<br \/>(d) 4<br \/>Solution:<br \/>Number of faces of a sphere is 1 (a)<\/p>\n<p>Question 2.<br \/>The total surface area of a hemisphere of radius r is<br \/>(a) \u03c0r<sup>2<\/sup><br \/>(b) 2\u03c0r<sup>2<\/sup><br \/>(c) 3\u03c0r<sup>2<\/sup><br \/>(d) 4\u03c0r<sup>2<\/sup><br \/>Solution:<br \/>Total surface area of a hemisphere is 37\u03c0r<sup>2<\/sup>\u00a0(c)<\/p>\n<p>Question 3.<br \/>The ratio of the total surface area of a sphere and a hemisphere of same radius is<br \/>(a) 2 : 1<br \/>(b) 3 : 2<br \/>(c) 4 : 1<br \/>(d) 4 : 3<br \/>Solution:<br \/>Total surface area of a sphere = 4\u03c0r<sup>2<\/sup><br \/>and total surface area of a hemisphere = 3m<sup>2<\/sup><br \/>\u2234 Ratio 4\u03c0r<sup>2<\/sup>: 3\u03c0r<sup>2<\/sup><br \/>= 4 : 3 (d)<\/p>\n<p>Question 4.<br \/>A sphere and a cube are of the same height. The ratio of their volumes is<br \/>(a) 3 :4<br \/>(b) 21 : 11<br \/>(c) 4 : 3<br \/>(d) 11 : 21<br \/>Solution:<br \/>Let r be the height of a sphere and cube<br \/><img src=\"https:\/\/farm2.staticflickr.com\/1972\/45597199312_c97e168878_o.png\" alt=\"RD Sharma Solutions Class 9 Chapter 21 Surface Areas and Volume of a Sphere MCQS\" width=\"346\" height=\"353\" \/><\/p>\n<p>Question 5.<br \/>The largest sphere is cut off from a cube of side 6 cm. The volume of the sphere will be<br \/>(a) 27\u03c0 cm<sup>3<\/sup><br \/>(b) 36\u03c0 cm<sup>3<\/sup><br \/>(c) 108\u03c0 cm<sup>3<\/sup><br \/>(d) 12\u03c0 cm<sup>3<\/sup><br \/>Solution:<br \/>Side of cube = 6 cm<br \/>\u2234 Diameter of sphere cut off from it = 6 cm<br \/><img src=\"https:\/\/farm2.staticflickr.com\/1973\/44733446535_378c57151c_o.png\" alt=\"RD Sharma Class 9 PDF Chapter 21 Surface Areas and Volume of a Sphere\" width=\"347\" height=\"169\" \/><\/p>\n<p>Question 6.<br \/>A cylmderical rod whose height is 8 times of its radius is melted and recast into spherical balls of same radius. The number of balls will be<br \/>(a) 4<br \/>(b) 3<br \/>(c) 6<br \/>(d) 8<br \/>Solution:<br \/>Let r be the radius of a cylindrical rod = r<br \/>Then its height (h) = 8r<br \/>Volume = \u03c0r<sup>2<\/sup>h = \u03c0r<sup>2<\/sup>\u00a0x 8r = 8\u03c0r<sup>3<\/sup><br \/>Radius of spherical ball = r<br \/><img src=\"https:\/\/farm2.staticflickr.com\/1976\/45597198782_8753eca8a6_o.png\" alt=\"Surface Areas and Volume of a Sphere Class 9 RD Sharma Solutions\" width=\"345\" height=\"195\" \/><\/p>\n<p>Question 7.<br \/>If the ratio of volumes of two spheres is 1 : 8, then the ratio of their surface areas is<br \/>(a) 1 : 2<br \/>(b) 1 : 4<br \/>(c) 1 : 8<br \/>(d) 1 : 16<br \/>Solution:<br \/>Let r<sub>1<\/sub>\u00a0and r<sub>2<\/sub>\u00a0be the radius of two spheres<br \/><img src=\"https:\/\/farm2.staticflickr.com\/1967\/44733446465_af27476ccd_o.png\" alt=\"RD Sharma Class 9 Solution Chapter 21 Surface Areas and Volume of a Sphere\" width=\"331\" height=\"414\" \/><br \/><img src=\"https:\/\/farm2.staticflickr.com\/1979\/45597198342_e40a38e0ce_o.png\" alt=\"Class 9 RD Sharma Solutions Chapter 21 Surface Areas and Volume of a Sphere\" width=\"351\" height=\"86\" \/><\/p>\n<p>Question 8.<br \/>If the surface area of a sphere is 144\u03c0 m<sup>2<\/sup>\u00a0then its volume (in. m3) is<br \/>(a) 288\u03c0<br \/>(b) 316\u03c0<br \/>(c) 300\u03c0<br \/>(d) 188\u03c0<br \/>Solution:<br \/>Surface area of a sphere = 144\u03c0 m<sup>2<\/sup><br \/>Let r be the radius, then<br \/>4\u03c0r<sup>2<\/sup>\u00a0= 144\u03c0<br \/><img src=\"https:\/\/farm2.staticflickr.com\/1973\/44733446355_0cdc7de1a0_o.png\" alt=\"Class 9 Maths Chapter 21 Surface Areas and Volume of a Sphere RD Sharma Solutions\" width=\"344\" height=\"221\" \/><\/p>\n<p>Question 9.<br \/>If a solid sphere of radius 10 cm is moulded into 8 spherical solid balls of equal radius, then the surface area of each ball (in sq. cm) is<br \/>(a) 100\u03c0<br \/>(b) 75\u03c0<br \/>(c) 60\u03c0<br \/>(d) 50\u03c0<br \/>Solution:<br \/>Radius of a sphere (r) = 10 cm<br \/><img src=\"https:\/\/farm2.staticflickr.com\/1946\/31775267448_6ef81b2487_o.png\" alt=\"RD Sharma Book Class 9 PDF Free Download Chapter 21 Surface Areas and Volume of a Sphere\" width=\"325\" height=\"315\" \/><br \/><img src=\"https:\/\/farm2.staticflickr.com\/1940\/44733446165_7f57123e95_o.png\" alt=\"RD Sharma Class 9 Book Chapter 21 Surface Areas and Volume of a Sphere\" width=\"331\" height=\"178\" \/><\/p>\n<p>Question 10.<br \/>If a sphere is inscribed in a cube, then the ratio of the volume of the sphere to the volume of the cube is<br \/>(a) \u03c0 : 2<br \/>(b) \u03c0 : 3<br \/>(c) \u03c0 : 4<br \/>(d) \u03c0 : 6<br \/>Solution:<br \/>Let side of a cube = a<br \/>Then volume of cube = a<sup>3<\/sup><br \/>The diameter of inscribed sphere = a<br \/><img src=\"https:\/\/farm2.staticflickr.com\/1967\/44733446005_4b5dcb13fe_o.png\" alt=\"Surface Areas and Volume of a Sphere With Solutions PDF RD Sharma Class 9 Solutions\" width=\"348\" height=\"305\" \/><\/p>\n<p>Question 11.<br \/>If a solid sphere of radius r is melted and cast into the shape of a solid cone of height r, then the radius of the base of the cone is<br \/>(a) 2r<br \/>(b) 3r<br \/>(c) r<br \/>(d) 4r<br \/>Solution:<br \/>Radius of a sphere = r<br \/><img src=\"https:\/\/farm2.staticflickr.com\/1903\/31775267198_cdb2cf537c_o.png\" alt=\"RD Sharma Class 9 Maths Book Questions Chapter 21 Surface Areas and Volume of a Sphere\" width=\"293\" height=\"133\" \/><br \/><img src=\"https:\/\/farm2.staticflickr.com\/1923\/44733445915_068c123c92_o.png\" alt=\"RD Sharma Mathematics Class 9 Solutions Chapter 21 Surface Areas and Volume of a Sphere\" width=\"348\" height=\"255\" \/><\/p>\n<p>Question 12.<br \/>A sphere is placed inside a right circular cylinder so as to touch the top, base and lateral surface of the cylinder. If the radius of the sphere is r, then the volume of the cylinder is<br \/><img src=\"https:\/\/farm2.staticflickr.com\/1979\/31775267138_f3756220d7_o.png\" alt=\"RD Sharma Math Solution Class 9 Chapter 21 Surface Areas and Volume of a Sphere\" width=\"265\" height=\"80\" \/><br \/>Solution:<br \/>Radius of sphere = r<br \/><img src=\"https:\/\/farm2.staticflickr.com\/1966\/31775267098_fd64e24c3b_o.png\" alt=\"RD Sharma Class 9 Questions Chapter 21 Surface Areas and Volume of a Sphere\" width=\"345\" height=\"357\" \/><\/p>\n<p>Question 13.<br \/>The ratio between the volume of a sphere and volume of a circumscribing right circular cylinder is<br \/>(a) 2 : 1<br \/>(b) 1 : 1<br \/>(c) 2 : 3<br \/>(d) 1 : 2<br \/>Solution:<br \/>Let r be the radius of the sphere, then 4<br \/>Volume =\u00a0<span id=\"MathJax-Element-19-Frame\" class=\"MathJax\" tabindex=\"0\"><span id=\"MathJax-Span-91\" class=\"math\"><span id=\"MathJax-Span-92\" class=\"mrow\"><span id=\"MathJax-Span-93\" class=\"mfrac\"><span id=\"MathJax-Span-94\" class=\"mn\">4<\/span><span id=\"MathJax-Span-95\" class=\"mn\">3<\/span><\/span><\/span><\/span><\/span>\u03c0r<sup>3<\/sup><br \/>Diameter of circumscribed cylinder = 2r<br \/>\u2234 Radius = r<br \/>and height (h) = 2r<br \/><img src=\"https:\/\/farm2.staticflickr.com\/1953\/44733445725_caa2faaee3_o.png\" alt=\"Maths RD Sharma Class 9 Chapter 21 Surface Areas and Volume of a Sphere\" width=\"347\" height=\"194\" \/><\/p>\n<p>Question 14.<br \/>A cone and a hemisphere have equal bases and equal volumes the ratio of their heights is<br \/>(a) 1 : 2<br \/>(b) 2 : 1<br \/>(c) 4 : 1<br \/>(d)\u00a0<span id=\"MathJax-Element-20-Frame\" class=\"MathJax\" tabindex=\"0\"><span id=\"MathJax-Span-96\" class=\"math\"><span id=\"MathJax-Span-97\" class=\"mrow\"><span id=\"MathJax-Span-98\" class=\"msqrt\"><span id=\"MathJax-Span-99\" class=\"mrow\"><span id=\"MathJax-Span-100\" class=\"mn\">2<\/span><\/span>\u2013\u221a<\/span><\/span><\/span><\/span>\u00a0: 1<br \/>Solution:<br \/>Let radius of hemisphere and a cone be r<br \/><img src=\"https:\/\/farm2.staticflickr.com\/1906\/31775267058_6dfbf3c5e4_o.png\" alt=\"RD Sharma Class 9 Chapter 21 Surface Areas and Volume of a Sphere\" width=\"343\" height=\"352\" \/><\/p>\n<p>Question 15.<br \/>A cone, a hemisphere and a cylinder stand on equal bases and have the same height. The ratio of their volumes is<br \/>(a) 1 : 2 : 3<br \/>(b) 2 : 1 : 3<br \/>(c) 2 : 3 : 1<br \/>(d) 3 : 2 : 1<br \/>Solution:<br \/>\u2235 Bases of a cone, hemisphere and a cylinder are same<br \/>Let radius of each = r<br \/>and height of each = r<br \/><img src=\"https:\/\/farm2.staticflickr.com\/1903\/44733445595_ced3c5854e_o.png\" alt=\"RD Sharma Class 9 Solutions Chapter 21 Surface Areas and Volume of a Sphere\" width=\"255\" height=\"162\" \/><br \/><img src=\"https:\/\/farm2.staticflickr.com\/1966\/31775266958_76d1d1d863_o.png\" alt=\"RD Sharma Solutions Class 9 Chapter 21 Surface Areas and Volume of a Sphere\" width=\"340\" height=\"192\" \/><\/p>\n<p>We have included all the information regarding <a href=\"https:\/\/cbse.nic.in\/\" target=\"_blank\" rel=\"noopener\">CBSE<\/a> <span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;RD Sharma Class 9 Solutions Chapter 21 MCQS&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:268732,&quot;5&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;6&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;7&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;8&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;10&quot;:2,&quot;11&quot;:0,&quot;14&quot;:[null,2,0],&quot;15&quot;:&quot;Arial&quot;,&quot;21&quot;:1}\">RD Sharma Class 9 Solutions Chapter 21 MCQS<\/span><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;RD Sharma Class 9 Solutions Chapter 20 Exercise 20.1&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:4540,&quot;5&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;6&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;7&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;8&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;10&quot;:2,&quot;11&quot;:0,&quot;15&quot;:&quot;Arial&quot;}\">. If you have any query feel free to ask in the comment section.\u00a0<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"faq-rd-sharma-class-9-solutions-chapter-21-mcqs\"><\/span>FAQ: <span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;RD Sharma Class 9 Solutions Chapter 21 MCQS&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:268732,&quot;5&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;6&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;7&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;8&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:[null,2,0]},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;10&quot;:2,&quot;11&quot;:0,&quot;14&quot;:[null,2,0],&quot;15&quot;:&quot;Arial&quot;,&quot;21&quot;:1}\">RD Sharma Class 9 Solutions Chapter 21 MCQS<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1630937073291\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"what-are-the-benefits-of-studying-from-rd-sharma-solutions-class-12\"><\/span>What are the benefits of studying from RD Sharma Solutions Class 12?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>By practicing these solutions, students can earn higher academic grades. Our experts solve these solutions with utmost accuracy to help students in their studies.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1630937127212\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"can-i-download-rd-sharma-class-9-solutions-chapter-21-mcqs-pdf-free\"><\/span>Can I download RD Sharma Class 9 Solutions Chapter 21 MCQS PDF free?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Yes, you can download RD Sharma Class 9 Solutions Chapter 21 MCQS PDF free.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1630937128200\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"is-rd-sharma-enough-for-class-12-maths\"><\/span>Is RD Sharma enough for Class 12 Maths?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>RD Sharma is a good book that gives you thousands of questions to practice.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1630937131528\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"can-i-open-rd-sharma-class-9-solutions-chapter-21-mcqs-pdf-on-my-smartphone\"><\/span>Can I open RD Sharma Class 9 Solutions Chapter 21 MCQS PDF on my smartphone?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Yes, you can open RD Sharma Class 9 Solutions Chapter 21 MCQS PDF on any device.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>RD Sharma Class 9 Solutions Chapter 21 MCQS: RD Sharma Solutions Class 9 Maths Chapter 21 Surface Area And Volume of Sphere MCQS can be downloaded. The solutions are created in the detailed manner by our experts. These solutions will be beneficial for you at the time your Class 9 Mathematics examinations. You don&#8217;t need &#8230; <a title=\"RD Sharma Class 9 Solutions Chapter 21 MCQS ( Updated 2021-22)\" class=\"read-more\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-9-solutions-chapter-21-mcqs\/\" aria-label=\"More on RD Sharma Class 9 Solutions Chapter 21 MCQS ( Updated 2021-22)\">Read more<\/a><\/p>\n","protected":false},"author":244,"featured_media":125689,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":""},"categories":[73719],"tags":[76791,76798],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/124943"}],"collection":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/users\/244"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/comments?post=124943"}],"version-history":[{"count":3,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/124943\/revisions"}],"predecessor-version":[{"id":125691,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/124943\/revisions\/125691"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media\/125689"}],"wp:attachment":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media?parent=124943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/categories?post=124943"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/tags?post=124943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}