{"id":71656,"date":"2021-02-04T15:05:21","date_gmt":"2021-02-04T09:35:21","guid":{"rendered":"https:\/\/www.kopykitab.com\/blog\/?p=71656"},"modified":"2021-02-04T15:05:27","modified_gmt":"2021-02-04T09:35:27","slug":"rd-sharma-chapter-1-class-9-maths-exercise-1-2-solutions","status":"publish","type":"post","link":"https:\/\/www.kopykitab.com\/blog\/rd-sharma-chapter-1-class-9-maths-exercise-1-2-solutions\/","title":{"rendered":"RD Sharma Chapter 1 Class 9 Maths Exercise 1.2 Solutions"},"content":{"rendered":"\n<p>The Maths Exercise 1.2 of Number System is prepared by our subject experts from which candidates can learn easily. The questions mentioned in the RD Sharma Chapter 1 Class 9 Maths Exercise 1.2 Solutions PDF attached to this article. In Exercise 1.2 of Maths, we are explaining rational and irrational numbers. We have provided solutions for each question as well, which are prepared based on the CBSE guidelines.<\/p>\n<p>The questions of rational and irrational numbers are usually asked to justify the statements either it is true or false. Also, in some questions, students have to convert the rational number into decimals.<\/p>\n<p>Know about the highlight of the <a href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-solutions-class-9-maths-chapter-1-number-system\/\" target=\"_blank\" rel=\"noopener noreferrer\">RD Sharma Chapter 1 Class 9 Maths<\/a>.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_47_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"ez-toc-toggle-icon-1\"><label for=\"item-69da25a8c4b90\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #000000;color:#000000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #000000;color:#000000\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-69da25a8c4b90\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-visibility-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-chapter-1-class-9-maths-exercise-1-2-solutions\/#download-rd-sharma-chapter-1-class-9-maths-exercise-12-solutions-pdf\" title=\"Download RD Sharma Chapter 1 Class 9 Maths Exercise 1.2 Solutions PDF\">Download RD Sharma Chapter 1 Class 9 Maths Exercise 1.2 Solutions PDF<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-chapter-1-class-9-maths-exercise-1-2-solutions\/#important-definition-rd-sharma-chapter-1-class-9-maths-exercise-12-solutions\" title=\"Important Definition RD Sharma Chapter 1 Class 9 Maths Exercise 1.2 Solutions\">Important Definition RD Sharma Chapter 1 Class 9 Maths Exercise 1.2 Solutions<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-chapter-1-class-9-maths-exercise-1-2-solutions\/#rational-numbers\" title=\"Rational Numbers\">Rational Numbers<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-chapter-1-class-9-maths-exercise-1-2-solutions\/#how-to-identify-the-rational-numbers\" title=\"How to Identify the Rational Numbers?\">How to Identify the Rational Numbers?<\/a><\/li><\/ul><\/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-chapter-1-class-9-maths-exercise-1-2-solutions\/#irrational-numbers\" title=\"Irrational Numbers\">Irrational Numbers<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-chapter-1-class-9-maths-exercise-1-2-solutions\/#list-of-the-common-irrational-number\" title=\"List of the Common Irrational Number\">List of the Common Irrational Number<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-chapter-1-class-9-maths-exercise-1-2-solutions\/#frequently-asked-questions-faqs-of-rd-sharma-chapter-1-class-9-maths-exercise-12-solutions\" title=\"Frequently Asked Questions (FAQs) of RD Sharma Chapter 1 Class 9 Maths Exercise 1.2 Solutions\">Frequently Asked Questions (FAQs) of RD Sharma Chapter 1 Class 9 Maths Exercise 1.2 Solutions<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"download-rd-sharma-chapter-1-class-9-maths-exercise-12-solutions-pdf\"><\/span>Download RD Sharma Chapter 1 Class 9 Maths Exercise 1.2 Solutions PDF<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div id=\"example1\" style=\"text-align: justify;\">\u00a0<\/div>\n<p style=\"text-align: justify;\"><style>\n.pdfobject-container { height: 500px;}<br \/>\n.pdfobject { border: 1px solid #666; }<br \/>\n<\/style><\/p>\n<p style=\"text-align: justify;\"><script src=\"https:\/\/www.kopykitab.com\/_utility\/js\/pdfobject.min.js\"><\/script><br \/><script>PDFObject.embed(\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/01\/Solutions-for-Class-9-Maths-Chapter-1-Number-System-Exercise-1.2.pdf\", \"#example1\");<\/script><\/p>\n<p><a href=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/01\/Solutions-for-Class-9-Maths-Chapter-1-Number-System-Exercise-1.2.pdf\">Solutions for Class 9 Maths Chapter 1 Number System Exercise 1.2<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"important-definition-rd-sharma-chapter-1-class-9-maths-exercise-12-solutions\"><\/span>Important Definition RD Sharma Chapter 1 Class 9 Maths Exercise 1.2 Solutions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In the following points, students can see the detail about the rational numbers and irrational numbers based on the RD Sharma Chapter 1 Class 9 Maths.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"rational-numbers\"><\/span><strong>Rational Numbers<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The rational numbers are expressed in p\/q form where q is not equal to 0 (q\u22600.). Rational Number is also a kind of real number. Any fraction which has non-zero denominators are rational numbers.<\/p>\n<p>Therefore, we can say that \u20180\u2019 (Zero) is also a rational number, as we can represent it in various forms such as 0\/3, 0\/4, 0\/5, 0\/1, 0\/2, etc. But, 1\/0, 2\/0, 3\/0, 4\/0, 5\/0, etc., will not count as rational numbers because they provide us absolute values.<\/p>\n<p>In the above PDF questions, we provided the types of rational numbers with solutions, which help candidates easily understand the rational number.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"how-to-identify-the-rational-numbers\"><\/span><strong>How to Identify the Rational Numbers?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Here are some conditions from which students can easily identify the rational number-<\/p>\n<ol>\n<li>Represent in the form of p\/q.<\/li>\n<li>The ratio p\/q should be simplified or stated in the form of a decimal.<\/li>\n<\/ol>\n<p>The set of Rational Numbers includes-<\/p>\n<ol>\n<li>It should be positive (+), negative (-), or zero (0).<\/li>\n<li>Expressed in the form of a fraction.<\/li>\n<\/ol>\n<p>Example of Rational Numbers-<\/p>\n<table width=\"0\">\n<tbody>\n<tr>\n<td width=\"156\">\n<p><strong>p<\/strong><\/p>\n<\/td>\n<td width=\"156\">\n<p><strong>q<\/strong><\/p>\n<\/td>\n<td width=\"156\">\n<p><strong>p\/q<\/strong><\/p>\n<\/td>\n<td width=\"156\">\n<p><strong>Rational<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"156\">\n<p>20<\/p>\n<\/td>\n<td width=\"156\">\n<p>4<\/p>\n<\/td>\n<td width=\"156\">\n<p>20\/4= 5<\/p>\n<\/td>\n<td width=\"156\">\n<p>Rational<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"156\">\n<p>2<\/p>\n<\/td>\n<td width=\"156\">\n<p>2000<\/p>\n<\/td>\n<td width=\"156\">\n<p>2\/2000= 0.001<\/p>\n<\/td>\n<td width=\"156\">\n<p>Rational<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"156\">\n<p>60<\/p>\n<\/td>\n<td width=\"156\">\n<p>10<\/p>\n<\/td>\n<td width=\"156\">\n<p>60\/10= 6<\/p>\n<\/td>\n<td width=\"156\">\n<p>Rational<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"irrational-numbers\"><\/span><strong>Irrational Numbers<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Irrational Number is the inconsistency of Rational Numbers. It is the real number, which is not represented in the form of a simple fraction and will not be expressed in the form of a ratio like- p\/q, where p and q are integers but q\u22600 (q is not equal to zero).<\/p>\n<p>The calculations of irrational numbers are complicated while solving like \u221a5, \u221a7, \u221a11, \u221a21, \u221a23, \u221a28, etc. In such cases, firstly, we have to solve the under root values. The decimal enlargement of an irrational number is neither canceling nor recurring.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"list-of-the-common-irrational-number\"><\/span><strong>List of the Common Irrational Number<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Pi (\u03c0) = 22\/7 = 3.14159265358979\u2026<\/li>\n<li>Golden ratio, \u03c6 = 1.61803398874989\u2026<\/li>\n<li>Euler\u2019s Number, e = 2.71828182845904\u2026<\/li>\n<li>Root, \u221a = \u221a2, \u221a3, \u221a5, \u221a7, \u221a8, whatever number under root cannot be simplified more.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"frequently-asked-questions-faqs-of-rd-sharma-chapter-1-class-9-maths-exercise-12-solutions\"><\/span>Frequently Asked Questions (FAQs) of RD Sharma Chapter 1 Class 9 Maths Exercise 1.2 Solutions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Ques)- How to get a rational number between 5 and 6?<\/strong><\/p>\n<p><strong>Ans)-<\/strong> The rational number between 5 and 6<\/p>\n<p>Solution:- \u00bd(5+6)<\/p>\n<p>=11\/2<\/p>\n<p><strong>Ques)- Is Zero a rational number?<\/strong><\/p>\n<p><strong>Ans)-<\/strong> Yes, Zero is the rational number because zero is the integer, written in any form.<\/p>\n<p><strong>Ques)- Is 3.14 an irrational number?<\/strong><\/p>\n<p><strong>Ans)-<\/strong> Pi, which starts with 3.14 (22\/7), is one of the irrational numbers.<\/p>\n<p><a href=\"https:\/\/cbse.gov.in\/\" target=\"_blank\" rel=\"noopener noreferrer\">Click Here<\/a> to know about CBSE Board<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Maths Exercise 1.2 of Number System is prepared by our subject experts from which candidates can learn easily. The questions mentioned in the RD Sharma Chapter 1 Class 9 Maths Exercise 1.2 Solutions PDF attached to this article. In Exercise 1.2 of Maths, we are explaining rational and irrational numbers. We have provided solutions &#8230; <a title=\"RD Sharma Chapter 1 Class 9 Maths Exercise 1.2 Solutions\" class=\"read-more\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-chapter-1-class-9-maths-exercise-1-2-solutions\/\" aria-label=\"More on RD Sharma Chapter 1 Class 9 Maths Exercise 1.2 Solutions\">Read more<\/a><\/p>\n","protected":false},"author":241,"featured_media":71657,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":""},"categories":[2985,2917,73719,73411],"tags":[3081,3086,3085],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/71656"}],"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\/241"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/comments?post=71656"}],"version-history":[{"count":4,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/71656\/revisions"}],"predecessor-version":[{"id":73383,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/71656\/revisions\/73383"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media\/71657"}],"wp:attachment":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media?parent=71656"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/categories?post=71656"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/tags?post=71656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}