{"id":139638,"date":"2025-04-08T17:10:49","date_gmt":"2025-04-08T11:40:49","guid":{"rendered":"https:\/\/www.practicemock.com\/blog\/?p=139638"},"modified":"2025-04-08T18:43:45","modified_gmt":"2025-04-08T13:13:45","slug":"how-to-master-speed-and-accuracy-in-quadratic-equations-for-rbi-grade-b-exam","status":"publish","type":"post","link":"https:\/\/www.practicemock.com\/blog\/how-to-master-speed-and-accuracy-in-quadratic-equations-for-rbi-grade-b-exam\/","title":{"rendered":"How to Master Speed and Accuracy in Quadratic Equations for RBI Grade B Exam?"},"content":{"rendered":"\n<p><\/p>\n\n\n<div class=\"yoast-breadcrumbs\"><span><span><a href=\"https:\/\/www.practicemock.com\/blog\/\">Home<\/a><\/span> \u00bb <span><a href=\"https:\/\/www.practicemock.com\/blog\/category\/rbi-grade-b\/\">RBI Grade B<\/a><\/span> \u00bb <span class=\"breadcrumb_last\" aria-current=\"page\">How to Master Speed and Accuracy in Quadratic Equations for RBI Grade B Exam?<\/span><\/span><\/div>\n\n\n<p><\/p>\n\n\n\n<p>Quadratic equations are an important topic in the Quantitative Aptitude section of the <strong>RBI Grade B Exam<\/strong>. It is part of the <strong>Phase 1<\/strong> exam. This part holds considerable importance. You can generally expect around <strong>2 to 3 questions<\/strong> from this topic. So, it\u2019s essential to be well-versed in quadratic equations for scoring maximum marks in this section. In this article, we&#8217;ll discuss types of QEs and practical tips to master the speed and accuracy while solving them.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-vivid-cyan-blue-background-color has-text-color has-background wp-element-button\" href=\"https:\/\/www.practicemock.com\/rbi-grade-b-test-series\/?ref=12777\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Take a Free Mock Test &amp; Know Where You Stand Right Now<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-luminous-vivid-amber-background-color has-text-color has-background wp-element-button\" href=\"https:\/\/www.practicemock.com\/blog\/rbi-grade-b-notification\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>RBI Grade B Notification 2025 &#8211; Click to Check<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Types of Quadratic Equations<\/h2>\n\n\n\n<p>Quadratic equations can appear in different formats. So, it&#8217;s super-important to know the different types to solve them competently. <\/p>\n\n\n\n<p>Here are the essential types of questions:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Basic Quadratic Equations:<\/strong> Solve equations like ax2+bx+c=0ax^2 + bx + c = 0.<\/li>\n\n\n\n<li><strong>Roots-based Questions:<\/strong> Identify roots or pairs of roots for given equations.<\/li>\n\n\n\n<li><strong>Equation Comparison:<\/strong> Compare two or more equations to find relationships between variables.<\/li>\n\n\n\n<li><strong>Column Matching:<\/strong> Match equations to their correct roots from given options.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Tips to Master Speed and Accuracy<\/h2>\n\n\n\n<p>Now that you know the types of questions, you need to start solving every type to master the art of answering them in a limited time. Here are a few points that you need to keep in mind and follow to achieve you goal:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Practice regularly<\/strong> to get familiar with different types of questions.<\/li>\n\n\n\n<li><strong>Learn to factor quickly<\/strong> for solving equations in less time.<\/li>\n\n\n\n<li><strong>Focus on pattern recognition<\/strong> to identify common techniques.<\/li>\n\n\n\n<li><strong>Do mental calculations<\/strong> whenever possible to save time.<\/li>\n\n\n\n<li><strong>Review past papers<\/strong> to understand the question patterns.<\/li>\n\n\n\n<li><strong>Use approximation<\/strong> techniques to quickly narrow down answers.<\/li>\n<\/ul>\n\n\n\n<p>Mastering these techniques will significantly enhance your speed and accuracy in solving quadratic equations, making you better prepared for the exam.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-vivid-cyan-blue-background-color has-text-color has-background wp-element-button\" href=\"https:\/\/www.practicemock.com\/rbi-grade-b-test-series\/?ref=12777\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><strong>Take a Free Mock Test &amp; Know Where You Stand Right Now<\/strong><\/strong><\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Importance of Knowing All Types of Questions<\/h2>\n\n\n\n<p>Understanding the different types of quadratic equations and practicing them regularly will help you solve questions efficiently under exam conditions. Quadratic equations can be tricky, so familiarity with all the patterns and techniques is essential for tackling them quickly.<\/p>\n\n\n\n<p>Here are 5 important question types with answers\/solutions: <\/p>\n\n\n\n<p><strong>Question 1:<\/strong>&nbsp;In the questions, two equations I and II are given. You have to solve both equations to establish the correct relation between x and y and choose the correct option.<\/p>\n\n\n\n<p>I.) 2x<sup>2<\/sup>&nbsp;+ 5x \u2013 12 = 0<\/p>\n\n\n\n<p>II.) 3y(y + 1) = 20(y \u2013 1)<\/p>\n\n\n\n<p>A) x &gt; y<\/p>\n\n\n\n<p>B) x &lt; y<\/p>\n\n\n\n<p>C) x = y or the relationship cannot be established<\/p>\n\n\n\n<p>D) x \u2265 y<\/p>\n\n\n\n<p>E) x \u2264 y<\/p>\n\n\n\n<p><strong>Question 2:<\/strong>&nbsp;Given below are three equations, I, II, and III, along with 3 pairs of roots. You have to solve the three equations and find which of the following equations (s) is\/are provided with the correct pair of roots.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Equation<\/td><td>Roots<\/td><\/tr><tr><td>I. 3x<sup>2<\/sup>&nbsp;\u2013 x\/2 \u2013 35\/2 = 0<\/td><td>-7\/3 and 5<\/td><\/tr><tr><td>II. 2x<sup>2<\/sup>&nbsp;\u2013 x = 21<\/td><td>7\/2 and -3<\/td><\/tr><tr><td>III. 16x \u2013 3x<sup>2<\/sup>&nbsp;+ 12 = 0<\/td><td>-2\/3 and 6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>A) Only I<\/p>\n\n\n\n<p>B) Only III<\/p>\n\n\n\n<p>C) Only I and III<\/p>\n\n\n\n<p>D) Only II and III<\/p>\n\n\n\n<p>E) Only II<\/p>\n\n\n\n<p><strong>Question 3:<\/strong>&nbsp;Given below are three equations I, II and III along with 3 pairs of roots. You have to solve the three equations and find which of the following equation(s) is\/are provided with correct pair of roots.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Equation<\/td><td>Roots<\/td><\/tr><tr><td>I. -2y<sup>2<\/sup>&nbsp;+ 9y + 18 = 0<\/td><td>-3\/2 and 6<\/td><\/tr><tr><td>II. y<sup>2<\/sup>&nbsp;\u2013 5y = \u221a1296<\/td><td>-4 and 8<\/td><\/tr><tr><td>III. 3y<sup>2<\/sup>&nbsp;+ 19y + 28 = 0<\/td><td>-7\/3 and 4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>A) Only II<\/p>\n\n\n\n<p>B) Only I and III<\/p>\n\n\n\n<p>C) Only I<\/p>\n\n\n\n<p>D) Only III<\/p>\n\n\n\n<p>E) None of these<\/p>\n\n\n\n<p><strong>Question 4:<\/strong>&nbsp;Given below are two columns, i.e., column I and II. Column I contains the quadratic equation,s while Column II contains the roots of that equation, but not necessarily in the same order. You are required to match the quadratic equations given in column I with their respective roots given in column II and choose the correct option.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Column I<\/td><td>Column II<\/td><\/tr><tr><td>1. 3x<sup>2<\/sup>&nbsp;\u2013 13x \u2013 10 = 0<\/td><td>A. 3\/2 and -8\/3<\/td><\/tr><tr><td>2. 6y<sup>2<\/sup>&nbsp;+ 7y \u2013 24 = 0<\/td><td>B. -2\/3 and 5<\/td><\/tr><tr><td>3. 3x(x + 3) = 6(11 \u2013 3x)<\/td><td>C. 2 and -11<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>A) 1 \u2013 B, 2 \u2013 C, 3 \u2013 A<\/p>\n\n\n\n<p>B) 1 \u2013 C, 2 \u2013 A, 3 \u2013 B<\/p>\n\n\n\n<p>C) 1 \u2013 A, 2 \u2013 C, 3 \u2013 B<\/p>\n\n\n\n<p>D) 1 \u2013 B, 2 \u2013 A, 3 \u2013 C<\/p>\n\n\n\n<p>E) 1 \u2013 A, 2 \u2013 B, 3 \u2013 C<\/p>\n\n\n\n<p><strong>Question 5:<\/strong>&nbsp;In the questions, two equations, I and I,I are given. You have to solve both equations to establish the correct relation between x and y and choose the correct option.<\/p>\n\n\n\n<p>I.) 4x + 19 = {11(x + 4)(x \u2013 1) + 268}\/(3x \u2013 7)<\/p>\n\n\n\n<p>II.) y<sup>2<\/sup>&nbsp;+ 324 = 36y<\/p>\n\n\n\n<p>A) x &gt; y<\/p>\n\n\n\n<p>B) x &lt; y<\/p>\n\n\n\n<p>C) x = y or the relationship cannot be established<\/p>\n\n\n\n<p>D) x \u2265 y<\/p>\n\n\n\n<p>E) x \u2264 y<\/p>\n\n\n\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 1:<\/strong>&nbsp;None<\/p>\n\n\n\n<p>A) x &gt; y<\/p>\n\n\n\n<p>B) x &lt; y<\/p>\n\n\n\n<p>C) x = y or the relationship cannot be established<\/p>\n\n\n\n<p>D) x \u2265 y<\/p>\n\n\n\n<p>E) x \u2264 y<\/p>\n\n\n\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 2:<\/strong>&nbsp;None<\/p>\n\n\n\n<p>A) Only I<\/p>\n\n\n\n<p>B) Only III<\/p>\n\n\n\n<p>C) Only I and III<\/p>\n\n\n\n<p>D) Only II and III<\/p>\n\n\n\n<p>E) Only II<\/p>\n\n\n\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 3:<\/strong>&nbsp;None<\/p>\n\n\n\n<p>A) Only II<\/p>\n\n\n\n<p>B) Only I and III<\/p>\n\n\n\n<p>C) Only I<\/p>\n\n\n\n<p>D) Only III<\/p>\n\n\n\n<p>E) None of these<\/p>\n\n\n\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 4:<\/strong>&nbsp;None<\/p>\n\n\n\n<p>A) 1 \u2013 B, 2 \u2013 C, 3 \u2013 A<\/p>\n\n\n\n<p>B) 1 \u2013 C, 2 \u2013 A, 3 \u2013 B<\/p>\n\n\n\n<p>C) 1 \u2013 A, 2 \u2013 C, 3 \u2013 B<\/p>\n\n\n\n<p>D) 1 \u2013 B, 2 \u2013 A, 3 \u2013 C<\/p>\n\n\n\n<p>E) 1 \u2013 A, 2 \u2013 B, 3 \u2013 C<\/p>\n\n\n\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 5:<\/strong>&nbsp;None<\/p>\n\n\n\n<p>A) x &gt; y<\/p>\n\n\n\n<p>B) x &lt; y<\/p>\n\n\n\n<p>C) x = y or the relationship cannot be established<\/p>\n\n\n\n<p>D) x \u2265 y<\/p>\n\n\n\n<p>E) x \u2264 y<\/p>\n\n\n\n<p><strong>ANSWER KEYS and SOLUTIONS:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1) &#8211; B)<\/td><td>2) &#8211; D)<\/td><td>3) &#8211; C)<\/td><td>4) &#8211; D)<\/td><td>5) &#8211; C)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Solution 1: B)<\/strong><\/p>\n\n\n\n<p>From I:<\/p>\n\n\n\n<p>2x<sup>2<\/sup>&nbsp;+ 5x \u2013 12 = 0<\/p>\n\n\n\n<p>2x<sup>2<\/sup>&nbsp;+ 8x \u2013 3x \u2013 12 = 0<\/p>\n\n\n\n<p>2x(x + 4) \u2013 3(x + 4) = 0<\/p>\n\n\n\n<p>(2x \u2013 3)(x + 4) = 0<\/p>\n\n\n\n<p>x = 3\/2 or -4<\/p>\n\n\n\n<p>From II:<\/p>\n\n\n\n<p>3y(y + 1) = 20(y \u2013 1)<\/p>\n\n\n\n<p>3y<sup>2<\/sup>&nbsp;+ 3y = 20y \u2013 20<\/p>\n\n\n\n<p>3y<sup>2<\/sup>&nbsp;\u2013 17y + 20 = 0<\/p>\n\n\n\n<p>3y<sup>2<\/sup>&nbsp;\u2013 12y \u2013 5y + 20 = 0<\/p>\n\n\n\n<p>3y(y \u2013 4) \u2013 5(y \u2013 4) = 0<\/p>\n\n\n\n<p>(3y \u2013 5) (y \u2013 4) = 0<\/p>\n\n\n\n<p>y = 5\/3 or 4<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>X<\/td><td>Relation<\/td><td>Y<\/td><\/tr><tr><td>3\/2<\/td><td>&lt;&nbsp;<\/td><td>5\/3<\/td><\/tr><tr><td>3\/2<\/td><td>&lt;&nbsp;<\/td><td>4<\/td><\/tr><tr><td>-4<\/td><td>&lt;&nbsp;<\/td><td>5\/3<\/td><\/tr><tr><td>-4<\/td><td>&lt;&nbsp;<\/td><td>4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>So, x &lt; y<\/p>\n\n\n\n<p>Hence, option b.<\/p>\n\n\n\n<p><strong>Solution 2: D)<\/strong><\/p>\n\n\n\n<p>From I:<\/p>\n\n\n\n<p>3x<sup>2<\/sup>&nbsp;\u2013 x\/2 \u2013 35\/2 = 0<\/p>\n\n\n\n<p>6x<sup>2<\/sup>&nbsp;\u2013 x \u2013 35 = 0<\/p>\n\n\n\n<p>6x<sup>2<\/sup>&nbsp;\u2013 15x + 14x \u2013 35 = 0<\/p>\n\n\n\n<p>6x(x \u2013 5\/2) + 14(x \u2013 5\/2) = 0<\/p>\n\n\n\n<p>(6x + 14) (x \u2013 5\/2) = 0<\/p>\n\n\n\n<p>x = -7\/3 or 5\/2<\/p>\n\n\n\n<p>Only one of the roots satisfies, hence equation I is not provided with appropriate roots.<\/p>\n\n\n\n<p>From II:<\/p>\n\n\n\n<p>2x<sup>2<\/sup>&nbsp;\u2013 x = 21<\/p>\n\n\n\n<p>2x<sup>2<\/sup>&nbsp;\u2013 x \u2013 21 = 0<\/p>\n\n\n\n<p>2x<sup>2<\/sup>&nbsp;\u2013 7x + 6x \u2013 21 = 0<\/p>\n\n\n\n<p>2x(x \u2013 7\/2) + 6(x \u2013 7\/2) = 0<\/p>\n\n\n\n<p>(2x + 6)(x \u2013 7\/2) = 0<\/p>\n\n\n\n<p>x = -3 or 7\/2<\/p>\n\n\n\n<p>Both the roots satisfy, hence equation II is provided with appropriate roots.<\/p>\n\n\n\n<p>From III:<\/p>\n\n\n\n<p>16x \u2013 3x<sup>2<\/sup>&nbsp;+ 12 = 0<\/p>\n\n\n\n<p>-3x<sup>2&nbsp;<\/sup>+ 18x \u2013 2x + 12 = 0<\/p>\n\n\n\n<p>-3x(x \u2013 6) \u2013 2(x \u2013 6) = 0<\/p>\n\n\n\n<p>(-3x \u2013 2) (x \u2013 6) = 0<\/p>\n\n\n\n<p>x = -2\/3 or 6<\/p>\n\n\n\n<p>Both the roots satisfy, hence equation III is provided with appropriate roots.<\/p>\n\n\n\n<p>Hence, option d.<\/p>\n\n\n\n<p><strong>Solution 3: C)<\/strong><\/p>\n\n\n\n<p>From I:<\/p>\n\n\n\n<p>-2y<sup>2<\/sup>&nbsp;+ 9y + 18 = 0<\/p>\n\n\n\n<p>-2y<sup>2<\/sup>&nbsp;+ 12y \u2013 3y + 18 = 0<\/p>\n\n\n\n<p>-2y(y \u2013 6) -3(y &#8211; 6) = 0<\/p>\n\n\n\n<p>(-2y \u2013 3) (y \u2013 6) = 0<\/p>\n\n\n\n<p>y = -3\/2 or 6<\/p>\n\n\n\n<p>Both the roots satisfy, hence equation I is provided with appropriate roots.<\/p>\n\n\n\n<p>From II:<\/p>\n\n\n\n<p>y<sup>2<\/sup>&nbsp;\u2013 5y = \u221a1296<\/p>\n\n\n\n<p>y<sup>2<\/sup>&nbsp;\u2013 5y = 36<\/p>\n\n\n\n<p>y<sup>2<\/sup>&nbsp;\u2013 9y + 4y \u2013 36 = 0<\/p>\n\n\n\n<p>y(y \u2013 9) + 4(y \u2013 9) = 0<\/p>\n\n\n\n<p>(y + 4)(y \u2013 9) = 0<\/p>\n\n\n\n<p>y = -4 or 9<\/p>\n\n\n\n<p>Only one of the roots satisfies, hence equation II is not provided with appropriate roots.<\/p>\n\n\n\n<p>From III:<\/p>\n\n\n\n<p>3y<sup>2<\/sup>&nbsp;+ 19y + 28 = 0<\/p>\n\n\n\n<p>3y<sup>2<\/sup>&nbsp;+ 12y + 7y + 28 = 0<\/p>\n\n\n\n<p>3y(y + 4) + 7(y + 4) = 0<\/p>\n\n\n\n<p>(3y + 7)(y + 4) = 0<\/p>\n\n\n\n<p>y = -7\/3 or -4<\/p>\n\n\n\n<p>Only one of the given roots satisfies, hence equation III is not provided with appropriate roots.<\/p>\n\n\n\n<p>Hence, option c.<\/p>\n\n\n\n<p><strong>Solution 4: D)<\/strong><\/p>\n\n\n\n<p>Equation 1:<\/p>\n\n\n\n<p>3x<sup>2<\/sup>&nbsp;\u2013 13x \u2013 10 = 0<\/p>\n\n\n\n<p>3x<sup>2<\/sup>&nbsp;\u2013 15x + 2x \u2013 10 = 0<\/p>\n\n\n\n<p>3x(x \u2013 5) + 2(x \u2013 5) = 0<\/p>\n\n\n\n<p>(3x + 2)(x \u2013 5) = 0<\/p>\n\n\n\n<p>x = -2\/3 or 5<\/p>\n\n\n\n<p>Equation 2:<\/p>\n\n\n\n<p>6y<sup>2<\/sup>&nbsp;+ 7y \u2013 24 = 0<\/p>\n\n\n\n<p>6y<sup>2<\/sup>&nbsp;+ 16y \u2013 9y \u2013 24 = 0<\/p>\n\n\n\n<p>6y(y + 8\/3) \u2013 9(y + 8\/3) = 0<\/p>\n\n\n\n<p>(6y \u2013 9) (y + 8\/3) = 0<\/p>\n\n\n\n<p>y = 3\/2 or -8\/3<\/p>\n\n\n\n<p>Equation 3:<\/p>\n\n\n\n<p>3x(x + 3) = 6(11 \u2013 3x)<\/p>\n\n\n\n<p>3x<sup>2<\/sup>&nbsp;+ 9x = 66 \u2013 18x<\/p>\n\n\n\n<p>3x<sup>2<\/sup>&nbsp;+ 27x \u2013 66 = 0<\/p>\n\n\n\n<p>3x<sup>2<\/sup>&nbsp;+ 33x \u2013 6x \u2013 66 = 0<\/p>\n\n\n\n<p>3x(x + 11) -6(x + 11) = 0<\/p>\n\n\n\n<p>(3x \u2013 6) (x + 11) = 0<\/p>\n\n\n\n<p>x = 2 or -11<\/p>\n\n\n\n<p>Hence, option d.<\/p>\n\n\n\n<p><strong>Solution 5: C)<\/strong><\/p>\n\n\n\n<p>From I:<\/p>\n\n\n\n<p>4x + 19 = {11(x + 4)(x \u2013 1) + 268}\/(3x \u2013 7)<\/p>\n\n\n\n<p>Or, (4x + 19)(3x \u2013 7) = 11(x<sup>2<\/sup>&nbsp;+ 4x \u2013 x \u2013 4) + 268<\/p>\n\n\n\n<p>Or, 12x<sup>2<\/sup>&nbsp;+ 57x \u2013 28x \u2013 133 = 11x<sup>2<\/sup>&nbsp;+ 33x \u2013 44 + 268<\/p>\n\n\n\n<p>Or, x<sup>2<\/sup>&nbsp;\u2013 4x \u2013 357 = 0<\/p>\n\n\n\n<p>Or, x<sup>2<\/sup>&nbsp;\u2013 21x + 17x \u2013 357 = 0<\/p>\n\n\n\n<p>Or, x(x \u2013 21) + 17(x \u2013 21) = 0<\/p>\n\n\n\n<p>Or, x = 21, -17<\/p>\n\n\n\n<p>From II:<\/p>\n\n\n\n<p>y<sup>2<\/sup>&nbsp;+ 324 = 36y<\/p>\n\n\n\n<p>Or, y<sup>2<\/sup>&nbsp;\u2013 36y + 324 = 0<\/p>\n\n\n\n<p>Or, y<sup>2<\/sup>&nbsp;\u2013 18y \u2013 18y + 324 = 0<\/p>\n\n\n\n<p>Or, y(y \u2013 18) \u2013 18(y \u2013 18) = 0<\/p>\n\n\n\n<p>Or, (y \u2013 18)(y \u2013 18) = 0<\/p>\n\n\n\n<p>Or, y = 18<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>X<\/td><td>Relation<\/td><td>Y<\/td><\/tr><tr><td>21<\/td><td>&gt;&nbsp;<\/td><td>18<\/td><\/tr><tr><td>-17<\/td><td>&lt;&nbsp;<\/td><td>18<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>So, no relation can be established between \u2018x\u2019 and \u2018y\u2019.<\/p>\n\n\n\n<p>Hence, option c.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-luminous-vivid-amber-background-color has-text-color has-background wp-element-button\" href=\"https:\/\/www.practicemock.com\/rbi-grade-b-test-series\/?ref=12777\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Click to Select the Perfect Package for You<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><a href=\"https:\/\/www.practicemock.com\/rbi-grade-b-test-series\/?ref=12777\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.practicemock.com\/blog\/wp-content\/uploads\/2025\/04\/Regulatory-Banner.png\" alt=\"How to Score Maximum Marks in Cloze Test for RBI Grade B Exam?\n\" class=\"wp-image-139735\" style=\"width:862px;height:468px\" width=\"862\" height=\"468\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Candidates must regularly practice all types of questions to increase their speed in answering quadratic equation questions. The most important of these are multiple equations, roots, and relationships. Candidates should continue to work on making quick calculations. Additionally, they need to focus fully on factoring techniques and understand the underlying patterns thoroughly. Through consistent practice, they can improve their speed and accuracy, and prepare themselves completely for the RBI Grade B Exam.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Speed and accuracy are key for RBI Grade B. Discover effective methods to solve quadratic equations quickly and accurately in this guide.<\/p>\n","protected":false},"author":6,"featured_media":139674,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[19],"tags":[],"class_list":["post-139638","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rbi-grade-b"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Master Speed and Accuracy in Quadratic Equations for RBI Grade B Exam?<\/title>\n<meta name=\"description\" content=\"Speed and accuracy are key for RBI Grade B. Discover effective methods to solve quadratic equations quickly and accurately in this guide.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.practicemock.com\/blog\/how-to-master-speed-and-accuracy-in-quadratic-equations-for-rbi-grade-b-exam\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Master Speed and Accuracy in Quadratic Equations for RBI Grade B Exam?\" \/>\n<meta property=\"og:description\" content=\"Speed and accuracy are key for RBI Grade B. 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Discover effective methods to solve quadratic equations quickly and accurately in this guide.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.practicemock.com\/blog\/how-to-master-speed-and-accuracy-in-quadratic-equations-for-rbi-grade-b-exam\/","og_locale":"en_US","og_type":"article","og_title":"How to Master Speed and Accuracy in Quadratic Equations for RBI Grade B Exam?","og_description":"Speed and accuracy are key for RBI Grade B. Discover effective methods to solve quadratic equations quickly and accurately in this guide.","og_url":"https:\/\/www.practicemock.com\/blog\/how-to-master-speed-and-accuracy-in-quadratic-equations-for-rbi-grade-b-exam\/","og_site_name":"Practicemock","article_published_time":"2025-04-08T11:40:49+00:00","article_modified_time":"2025-04-08T13:13:45+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/www.practicemock.com\/blog\/wp-content\/uploads\/2025\/04\/How-to-Master-Speed-and-Accuracy-in-Quadratic-Equations-for-RBI-Grade-B-Exam.png","type":"image\/png"}],"author":"Asad Yar Khan","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Asad Yar Khan","Est. reading time":"8 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.practicemock.com\/blog\/how-to-master-speed-and-accuracy-in-quadratic-equations-for-rbi-grade-b-exam\/","url":"https:\/\/www.practicemock.com\/blog\/how-to-master-speed-and-accuracy-in-quadratic-equations-for-rbi-grade-b-exam\/","name":"How to Master Speed and Accuracy in Quadratic Equations for RBI Grade B Exam?","isPartOf":{"@id":"https:\/\/www.practicemock.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.practicemock.com\/blog\/how-to-master-speed-and-accuracy-in-quadratic-equations-for-rbi-grade-b-exam\/#primaryimage"},"image":{"@id":"https:\/\/www.practicemock.com\/blog\/how-to-master-speed-and-accuracy-in-quadratic-equations-for-rbi-grade-b-exam\/#primaryimage"},"thumbnailUrl":"https:\/\/www.practicemock.com\/blog\/wp-content\/uploads\/2025\/04\/How-to-Master-Speed-and-Accuracy-in-Quadratic-Equations-for-RBI-Grade-B-Exam.png","datePublished":"2025-04-08T11:40:49+00:00","dateModified":"2025-04-08T13:13:45+00:00","author":{"@id":"https:\/\/www.practicemock.com\/blog\/#\/schema\/person\/e4111a7164b53ee316016677ed682e00"},"description":"Speed and accuracy are key for RBI Grade B. 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