{"id":230777,"date":"2026-08-03T09:05:07","date_gmt":"2026-08-03T03:35:07","guid":{"rendered":"https:\/\/www.oliveboard.in\/blog\/?p=230777"},"modified":"2026-08-03T09:05:09","modified_gmt":"2026-08-03T03:35:09","slug":"ssc-chsl-maths-formulas","status":"publish","type":"post","link":"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/","title":{"rendered":"SSC CHSL Maths Formulas &amp; Tricks 2026, Quick Revision Guide"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_77 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\" style=\"cursor:inherit\">Table of content<\/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=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" 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: #999;color:#999\" 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><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-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.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#Key_Takeaways\" >Key Takeaways<\/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.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#HCF_and_LCM_Formulas\" >HCF and LCM Formulas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#Speed_Maths_Tricks_for_Simplifying_Calculations\" >Speed Maths Tricks for Simplifying Calculations<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#Algebra_Formulas\" >Algebra Formulas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#Geometry_Formulas\" >Geometry Formulas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#Time_Speed_and_Distance\" >Time, Speed, and Distance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#Profit_Loss_and_Discount\" >Profit, Loss, and Discount<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#Simple_Interest_Compound_Interest\" >Simple Interest &amp; Compound Interest<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#Percentage_Tricks\" >Percentage Tricks<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#What_are_the_Important_Ratio_and_Proportion_Formulas_for_SSC_CHSL\" >What are the Important Ratio and Proportion Formulas for SSC CHSL?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#What_are_the_Average_and_Partnership_Formulas\" >What are the Average and Partnership Formulas?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#What_are_the_Mixture_and_Alligation_Formulas\" >What are the Mixture and Alligation Formulas?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#What_are_the_Important_Mensuration_Formulas\" >What are the Important Mensuration Formulas?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#FAQs\" >FAQs<\/a><\/li><\/ul><\/nav><\/div>\n\n<div class=\"wp-block-yoast-seo-ai-summarize yoast-ai-summarize\"><h2><span class=\"ez-toc-section\" id=\"Key_Takeaways\"><\/span>Key Takeaways<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul class=\"wp-block-list yoast-ai-summarize-list\">\n<li>Mathematics plays a crucial role in the SSC CHSL Exam, where knowing key formulas and tricks enhances efficiency.<\/li>\n\n\n\n<li>Important topics include HCF, LCM, Algebra, Geometry, Profit-Loss, and Percentage, each with specific formulas for quick problem-solving.<\/li>\n\n\n\n<li>Speed maths tricks help simplify calculations, making methods like multiplying by 11 or squaring numbers ending in 5 effective.<\/li>\n\n\n\n<li>Memorizing the SSC CHSL Maths Formula allows you to solve questions accurately and swiftly during the exam.<\/li>\n\n\n\n<li>Regular practice with these formulas boosts speed and accuracy, improving your overall performance in the SSC CHSL Exam.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<p>Mathematics is an important section of the <a href=\"https:\/\/www.oliveboard.in\/ssc-chsl-notification\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC CHSL Exam<\/a>. To solve questions quickly and accurately, it is essential to memorize key formulas and learn simple tricks. This guide contains all the important formulas and short methods for easy revision before your exam.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-hcf-and-lcm-formulas\"><span class=\"ez-toc-section\" id=\"HCF_and_LCM_Formulas\"><\/span>HCF and LCM Formulas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Understanding <a href=\"https:\/\/www.oliveboard.in\/blog\/lcm-and-hcf-questions\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">Highest Common Factor (HCF) and Lowest Common Multiple (LCM)<\/a> is useful for number theory problems. Memorize these simple formulas to save time.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Concept<\/strong><\/td><td><strong>Formula<\/strong><\/td><\/tr><tr><td>HCF \u00d7 LCM<\/td><td>HCF \u00d7 LCM = Product of the two numbers<\/td><\/tr><tr><td>HCF of two numbers<\/td><td>Divide numbers into prime factors and multiply common factors<\/td><\/tr><tr><td>LCM of two numbers<\/td><td>Divide numbers into prime factors and multiply all highest powers of factors<\/td><\/tr><\/tbody><\/table><\/figure>\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 wp-element-button\" href=\"https:\/\/www.oliveboard.in\/ssc-chsl-practice-quiz\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt SSC CHSL Practice Quiz<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-speed-maths-tricks-for-simplifying-calculations\"><span class=\"ez-toc-section\" id=\"Speed_Maths_Tricks_for_Simplifying_Calculations\"><\/span>Speed Maths Tricks for Simplifying Calculations<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Quick calculation tricks help save time during the exam. Using these methods, you can solve sproblems faster without manual long calculations.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Multiply by 11: Add the two digits and place the sum in between (e.g., 32 \u00d7 11 \u2192 3 (3+2) 2 = 352).<\/li>\n\n\n\n<li>Squaring numbers ending with 5: Multiply the first digit(s) by its next number and add 25 at the end (e.g., 35\u00b2 \u2192 3\u00d74=12 \u2192 1225).<\/li>\n\n\n\n<li>Divisibility rules: Use simple checks for 2, 3, 4, 5, 9, 11 to quickly find divisible numbers.<\/li>\n<\/ul>\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 wp-element-button\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-questions\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Download Most Repeated Q<\/strong>uant<strong> Questions PDF for SSC CHSL<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-algebra-formulas\"><span class=\"ez-toc-section\" id=\"Algebra_Formulas\"><\/span>Algebra Formulas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/www.oliveboard.in\/blog\/algebraic-identities\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">Algebra questions<\/a> are common in SSC CHSL. Memorize these standard formulas to solve them quickly.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Formula Type<\/strong><\/td><td><strong>Formula<\/strong><\/td><\/tr><tr><td>(a + b)\u00b2<\/td><td>a\u00b2 + 2ab + b\u00b2<\/td><\/tr><tr><td>(a &#8211; b)\u00b2<\/td><td>a\u00b2 &#8211; 2ab + b\u00b2<\/td><\/tr><tr><td>a\u00b2 &#8211; b\u00b2<\/td><td>(a + b)(a &#8211; b)<\/td><\/tr><tr><td>(x + a)(x + b)<\/td><td>x\u00b2 + (a + b)x + ab<\/td><\/tr><tr><td>Cubes<\/td><td>a\u00b3 + b\u00b3 = (a + b)(a\u00b2 &#8211; ab + b\u00b2)<br>a\u00b3 &#8211; b\u00b3 = (a &#8211; b)(a\u00b2 + ab + b\u00b2)<\/td><\/tr><\/tbody><\/table><\/figure>\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 wp-element-button\" href=\"https:\/\/www.oliveboard.in\/important-quantitative-aptitude-formulas\/?ref=contss-fep\">Download Important Quantitative Aptitude Formulae<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-geometry-formulas\"><span class=\"ez-toc-section\" id=\"Geometry_Formulas\"><\/span>Geometry Formulas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Basic <a href=\"https:\/\/www.oliveboard.in\/blog\/geometry\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">Geometry<\/a> is also important. Learn the key formulas for quick problem-solving.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Shape<\/strong><\/td><td><strong>Formula<\/strong><\/td><\/tr><tr><td>Triangle Area<\/td><td>\u00bd \u00d7 base \u00d7 height<\/td><\/tr><tr><td>Triangle Perimeter<\/td><td>Sum of all sides<\/td><\/tr><tr><td>Rectangle Area<\/td><td>Length \u00d7 Breadth<\/td><\/tr><tr><td>Rectangle Perimeter<\/td><td>2 \u00d7 (Length + Breadth)<\/td><\/tr><tr><td>Circle Area<\/td><td>\u03c0 \u00d7 r\u00b2<\/td><\/tr><tr><td>Circle Circumference<\/td><td>2 \u00d7 \u03c0 \u00d7 r<\/td><\/tr><tr><td>Square Area<\/td><td>Side\u00b2<\/td><\/tr><tr><td>Square Perimeter<\/td><td>4 \u00d7 Side<\/td><\/tr><\/tbody><\/table><\/figure>\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 wp-element-button\" href=\"https:\/\/www.oliveboard.in\/blog\/vedic-maths-tricks\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">Check out Vedic Formulas<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-time-speed-and-distance\"><span class=\"ez-toc-section\" id=\"Time_Speed_and_Distance\"><\/span>Time, Speed, and Distance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/www.oliveboard.in\/blog\/speed-time-and-distance\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">Time, Speed, and Distance<\/a> formulas help solve all problems related to motion and time efficiently.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Speed = Distance \u00f7 Time<\/li>\n\n\n\n<li>Distance = Speed \u00d7 Time<\/li>\n\n\n\n<li>Time = Distance \u00f7 Speed<\/li>\n\n\n\n<li>Average Speed = Total Distance \u00f7 Total Time<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-profit-loss-and-discount\"><span class=\"ez-toc-section\" id=\"Profit_Loss_and_Discount\"><\/span>Profit, Loss, and Discount<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Quick formulas for <a href=\"https:\/\/www.oliveboard.in\/blog\/profit-and-loss\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">Profit, Loss<\/a> and Discount mathematics questions.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Profit = Selling Price &#8211; Cost Price<\/li>\n\n\n\n<li>Loss = Cost Price &#8211; Selling Price<\/li>\n\n\n\n<li>Profit % = (Profit \u00f7 Cost Price) \u00d7 100<\/li>\n\n\n\n<li>Loss % = (Loss \u00f7 Cost Price) \u00d7 100<\/li>\n\n\n\n<li>Selling Price after Discount = Marked Price &#8211; Discount<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-simple-interest-amp-compound-interest\"><span class=\"ez-toc-section\" id=\"Simple_Interest_Compound_Interest\"><\/span>Simple Interest &amp; Compound Interest<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/www.oliveboard.in\/blog\/simple-interest-and-compound-interest\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">Simple Interest &amp; Compound Interest<\/a> maths questions can be solved quickly using these formulas.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Type<\/strong><\/td><td><strong>Formula<\/strong><\/td><\/tr><tr><td>Simple Interest<\/td><td>SI = (P \u00d7 R \u00d7 T)\/100<\/td><\/tr><tr><td>Compound Interest<\/td><td>CI = P \u00d7 (1 + R\/100)\u207f &#8211; P<\/td><\/tr><\/tbody><\/table><\/figure>\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 aligncenter\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/ssc-chsl-mock-test\/\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt SSC CHSL Mock Test For Free<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-percentage-tricks\"><span class=\"ez-toc-section\" id=\"Percentage_Tricks\"><\/span>Percentage Tricks<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/www.oliveboard.in\/blog\/percentage-questions\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">Percentage<\/a> problems can be simplified with these methods:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>To find x% of a number \u2192 (x \u00d7 number)\/100<\/li>\n\n\n\n<li>To increase a number by x% \u2192 Number \u00d7 (1 + x\/100)<\/li>\n\n\n\n<li>To decrease a number by x% \u2192 Number \u00d7 (1 &#8211; x\/100)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-the-important-ratio-and-proportion-formulas-for-ssc-chsl\"><span class=\"ez-toc-section\" id=\"What_are_the_Important_Ratio_and_Proportion_Formulas_for_SSC_CHSL\"><\/span>What are the Important Ratio and Proportion Formulas for SSC CHSL?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ratio and proportion questions can be solved quickly by using cross-multiplication and direct proportion formulas.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Concept<\/strong><\/td><td><strong>Formula<\/strong><\/td><\/tr><tr><td>Ratio of two quantities<\/td><td>a:b=a\/ba:b = a\/ba:b=a\/b<\/td><\/tr><tr><td>Proportion<\/td><td>a:b=c:d\u21d2ad=bca:b = c:d \\Rightarrow ad = bca:b=c:d\u21d2ad=bc<\/td><\/tr><tr><td>Fourth proportional<\/td><td>d=bc\/ad = bc\/ad=bc\/a<\/td><\/tr><tr><td>Direct proportion<\/td><td>x1\/y1=x2\/y2x_1\/y_1 = x_2\/y_2x1\u200b\/y1\u200b=x2\u200b\/y2\u200b<\/td><\/tr><tr><td>Inverse proportion<\/td><td>x1y1=x2y2x_1y_1 = x_2y_2x1\u200by1\u200b=x2\u200by2\u200b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-the-average-and-partnership-formulas\"><span class=\"ez-toc-section\" id=\"What_are_the_Average_and_Partnership_Formulas\"><\/span>What are the Average and Partnership Formulas?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Average and partnership questions are common arithmetic problems. Candidates should remember the basic and combined-average formulas.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Concept<\/strong><\/td><td><strong>Formula<\/strong><\/td><\/tr><tr><td>Average<\/td><td>Sum of observations \u00f7 Number of observations<\/td><\/tr><tr><td>Sum of observations<\/td><td>Average \u00d7 Number of observations<\/td><\/tr><tr><td>Combined average<\/td><td>(n1a1+n2a2)\/(n1+n2)(n_1a_1+n_2a_2)\/(n_1+n_2)(n1\u200ba1\u200b+n2\u200ba2\u200b)\/(n1\u200b+n2\u200b)<\/td><\/tr><tr><td>Partnership profit ratio<\/td><td>Capital \u00d7 Investment period<\/td><\/tr><tr><td>Individual profit share<\/td><td>Total profit \u00d7 Individual ratio \u00f7 Total ratio<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-the-mixture-and-alligation-formulas\"><span class=\"ez-toc-section\" id=\"What_are_the_Mixture_and_Alligation_Formulas\"><\/span>What are the Mixture and Alligation Formulas?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The alligation method helps candidates calculate the required proportion of two ingredients with different prices or concentrations.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Concept<\/strong><\/td><td><strong>Formula<\/strong><\/td><\/tr><tr><td>Mean value<\/td><td>Total value \u00f7 Total quantity<\/td><\/tr><tr><td>Cheaper quantity : Dearer quantity<\/td><td>(D\u2212M):(M\u2212C)(D-M):(M-C)(D\u2212M):(M\u2212C)<\/td><\/tr><tr><td>Final concentration<\/td><td>Amount of substance \u00f7 Total mixture \u00d7 100<\/td><\/tr><tr><td>Repeated replacement<\/td><td>Original quantity \u00d7 (1\u2212x\/v)n(1-x\/v)^n(1\u2212x\/v)n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Here, <strong>C<\/strong> is the cheaper value, <strong>D<\/strong> is the dearer value, <strong>M<\/strong> is the mean value, <strong>x<\/strong> is the replaced quantity and <strong>v<\/strong> is the total volume.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-the-important-mensuration-formulas\"><span class=\"ez-toc-section\" id=\"What_are_the_Important_Mensuration_Formulas\"><\/span>What are the Important Mensuration Formulas?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The official syllabus includes two-dimensional and three-dimensional figures such as polygons, cylinders, cones, spheres, hemispheres and rectangular solids.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Shape<\/strong><\/td><td><strong>Area or Surface Area<\/strong><\/td><td><strong>Volume<\/strong><\/td><\/tr><tr><td>Parallelogram<\/td><td>Base \u00d7 Height<\/td><td>\u2014<\/td><\/tr><tr><td>Trapezium<\/td><td>\u00bd\u00d7(a+b)\u00d7h\u00bd \u00d7 (a+b) \u00d7 h\u00bd\u00d7(a+b)\u00d7h<\/td><td>\u2014<\/td><\/tr><tr><td>Cuboid<\/td><td>2(lb+bh+hl)2(lb+bh+hl)2(lb+bh+hl)<\/td><td>lbhlbhlbh<\/td><\/tr><tr><td>Cube<\/td><td>6a26a\u00b26a2<\/td><td>a3a\u00b3a3<\/td><\/tr><tr><td>Cylinder<\/td><td>2\u03c0r(r+h)2\u03c0r(r+h)2\u03c0r(r+h)<\/td><td>\u03c0r2h\u03c0r\u00b2h\u03c0r2h<\/td><\/tr><tr><td>Cone<\/td><td>\u03c0r(l+r)\u03c0r(l+r)\u03c0r(l+r)<\/td><td>\u2153\u03c0r2h\u2153\u03c0r\u00b2h\u2153\u03c0r2h<\/td><\/tr><tr><td>Sphere<\/td><td>4\u03c0r24\u03c0r\u00b24\u03c0r2<\/td><td>4\/3\u03c0r34\/3\u03c0r\u00b34\/3\u03c0r3<\/td><\/tr><tr><td>Hemisphere<\/td><td>3\u03c0r23\u03c0r\u00b23\u03c0r2<\/td><td>2\/3\u03c0r32\/3\u03c0r\u00b32\/3\u03c0r3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-faqs\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1760535328325\"><strong class=\"schema-faq-question\"><br\/><strong>Q1. Why is it important to memorize SSC CHSL maths formulas?<\/strong><\/strong> <p class=\"schema-faq-answer\">Ans. Memorizing formulas helps you solve questions faster and accurately during the exam without wasting time on derivations.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760535444560\"><strong class=\"schema-faq-question\"><strong>Q2. Which topics have the highest weightage in SSC CHSL Maths?<\/strong><\/strong> <p class=\"schema-faq-answer\">Ans. Topics like HCF &amp; LCM, Algebra, Geometry, Time-Speed-Distance, Profit-Loss, Simple &amp; Compound Interest, and Percentage are frequently asked.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760535449494\"><strong class=\"schema-faq-question\"><strong>Q3. Can I attempt SSC CHSL maths questions without formulas?<\/strong><\/strong> <p class=\"schema-faq-answer\">Ans. It is possible but time-consuming. Using formulas and tricks makes calculations quicker and reduces mistakes.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760535453876\"><strong class=\"schema-faq-question\"><strong>Q4. How can speed maths tricks help in the exam?<\/strong><\/strong> <p class=\"schema-faq-answer\">Ans. Speed maths tricks simplify calculations like multiplication, squaring numbers, or checking divisibility, saving precious time in the exam.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760535457811\"><strong class=\"schema-faq-question\"><strong>Q5. Are these formulas enough to score high in SSC CHSL maths?<\/strong><\/strong> <p class=\"schema-faq-answer\">Ans. Yes, if you practice regularly with previous year questions, mocks, and apply formulas correctly, you can improve speed, accuracy, and score well.<\/p> <\/div> <\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<ul class=\"wp-block-latest-posts__list is-grid columns-3 wp-block-latest-posts\"><li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/the-real-strategy-behind-how-shantanu-kaushik-secured-air-17-in-ssc-chsl\/\">The Real Strategy Behind How Shantanu Kaushik Secured AIR 17 in SSC CHSL\u00a0<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/questions-asked-in-ssc-chsl-tier-2-exam\/\">Questions asked in SSC CHSL Tier 2 Exam 2026, Download PDF<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/100-most-repeated-ssc-chsl-tier-1-questions\/\">100 Most Repeated SSC CHSL Tier 1 Questions (All Subjects)<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-tier-1-quantitative-aptitude-questions\/\">SSC CHSL Tier 1 Quantitative Aptitude, Practice Quiz with Solutions<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-post-preference\/\">SSC CHSL Post Preference 2026, Important Factors To Consider<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-2025-success-story-how-keerthi-mummadireddy-secured-air-19\/\">SSC CHSL 2025 Success Story: How Keerthi Mummadireddy Secured AIR 19<\/a><\/li>\n<\/ul>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>Mathematics is an important section of the SSC CHSL Exam. To solve questions quickly and accurately, it is essential to<\/p>\n","protected":false},"author":65,"featured_media":248726,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5217,10231,5212],"tags":[],"class_list":["post-230777","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ssc-prep","category-ssc-railways","category-ssc-chsl","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SSC CHSL Maths Formulas &amp; Tricks 2025, Quick Revision Guide<\/title>\n<meta name=\"description\" content=\"Learn all important SSC CHSL Maths formulas, shortcuts, and tricks for quick calculations. 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From authoring books and developing thousands of practice questions to crafting articles and study material, I specialize in transforming complex exam-related topics into clear, engaging, and accessible content. I have first hand experience of 5+ months in SSC Exams. Writing, for me, is not just a skill but a way to support and guide aspirants through their preparation journey one well-written explanation at a time.\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#faq-question-1760535328325\",\"position\":1,\"url\":\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#faq-question-1760535328325\",\"name\":\"Q1. Why is it important to memorize SSC CHSL maths formulas?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ans. Memorizing formulas helps you solve questions faster and accurately during the exam without wasting time on derivations.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#faq-question-1760535444560\",\"position\":2,\"url\":\"https:\/\/www.oliveboard.in\/blog\/ssc-chsl-maths-formulas\/#faq-question-1760535444560\",\"name\":\"Q2. Which topics have the highest weightage in SSC CHSL Maths?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ans. 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