{"id":231168,"date":"2025-10-22T09:13:26","date_gmt":"2025-10-22T03:43:26","guid":{"rendered":"https:\/\/www.oliveboard.in\/blog\/?p=231168"},"modified":"2025-10-22T09:32:21","modified_gmt":"2025-10-22T04:02:21","slug":"index-numbers-for-ssc-cgl","status":"publish","type":"post","link":"https:\/\/www.oliveboard.in\/blog\/index-numbers-for-ssc-cgl\/","title":{"rendered":"Index Numbers for SSC CGL Tier 2 for JSO Post"},"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\/index-numbers-for-ssc-cgl\/#What_are_Index_Numbers\" >What are Index Numbers?<\/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\/index-numbers-for-ssc-cgl\/#Construction_of_Index_Numbers\" >Construction of Index Numbers<\/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\/index-numbers-for-ssc-cgl\/#Types_of_Index_Numbers\" >Types of Index Numbers<\/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\/index-numbers-for-ssc-cgl\/#Uses_of_Index_Numbers\" >Uses of Index Numbers<\/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\/index-numbers-for-ssc-cgl\/#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-6\" href=\"https:\/\/www.oliveboard.in\/blog\/index-numbers-for-ssc-cgl\/#FAQs\" >FAQs<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>In SSC CGL Tier 2 <a href=\"https:\/\/www.oliveboard.in\/ssc-jso\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC JSO<\/a>, Index Numbers is an important topic under Statistical Methods. Index numbers are widely used in economics and statistics to measure changes in variables like prices, quantities, or values over time. This blog explains construction, types, formulas, and uses of index numbers in a simple way with examples for quick revision.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-index-numbers\"><span class=\"ez-toc-section\" id=\"What_are_Index_Numbers\"><\/span><strong>What are Index Numbers?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>An index number is a statistical measure that shows relative change in a variable or group of variables over time.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Example: Price of food items in 2024 compared to 2023.<\/li>\n\n\n\n<li>Helps in understanding trends like inflation, cost of living, and economic growth.<\/li>\n<\/ul>\n\n\n\n<p><strong>Basic Formula:<\/strong> Index&nbsp;Number=Value&nbsp;in&nbsp;Current&nbsp;PeriodValue&nbsp;in&nbsp;Base&nbsp;Period\u00d7100\\text{Index Number} = \\frac{\\text{Value in Current Period}}{\\text{Value in Base Period}} \\times 100Index&nbsp;Number=Value&nbsp;in&nbsp;Base&nbsp;PeriodValue&nbsp;in&nbsp;Current&nbsp;Period\u200b\u00d7100<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>If the index = 120 \u2192 The variable increased by 20% compared to the base period.<\/p>\n<\/blockquote>\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-cgl-mock-test\/?ref=Contms&amp;utm_medium=Organic&amp;utm_source=Blog&amp;utm_campaign=Contms\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt Free New Interface SSC CGL Tier 2 Mock test<\/a><\/div>\n<\/div>\n\n\n\n<p>Also check out <a href=\"https:\/\/www.oliveboard.in\/blog\/most-repeated-quantitative-aptitude-questions-for-ssc-cgl-tier-2\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Most Repeated Quantitative Aptitude Questions for SSC CGL Tier 2<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-construction-of-index-numbers\"><span class=\"ez-toc-section\" id=\"Construction_of_Index_Numbers\"><\/span><strong>Construction of Index Numbers<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Index numbers can be constructed using different approaches:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Price Index:<\/strong> Measures change in price level of goods\/services over time.<\/li>\n\n\n\n<li><strong>Quantity Index:<\/strong> Measures change in quantity produced or consumed.<\/li>\n\n\n\n<li><strong>Value Index:<\/strong> Combines price and quantity to show total value changes.<\/li>\n<\/ol>\n\n\n\n<p><strong>Steps to Construct an Index Number:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong><strong>Step<\/strong><\/strong><\/td><td><strong><strong>Description<\/strong><\/strong><\/td><\/tr><tr><td>1<\/td><td>Select base period and current period data.<\/td><\/tr><tr><td>2<\/td><td>Choose items to include in the index (e.g., essential goods).<\/td><\/tr><tr><td>3<\/td><td>Assign weights if needed (weighted index) or keep equal weights (unweighted index).<\/td><\/tr><tr><td>4<\/td><td>Apply formula to calculate index.<\/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 has-text-align-center wp-element-button\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-tier-2-weightage-of-english-and-quant\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">Check SSC CGL Tier 2 Weightage of English and Quant<\/a><\/div>\n<\/div>\n\n\n\n<p>Also check out <a href=\"https:\/\/www.oliveboard.in\/blog\/most-repeated-english-questions-for-ssc-cgl-tier-2\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Most Repeated Quantitative Aptitude Questions for SSC CGL Tier 2<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-types-of-index-numbers\"><span class=\"ez-toc-section\" id=\"Types_of_Index_Numbers\"><\/span><strong>Types of Index Numbers<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Unweighted Index Numbers:<\/strong> All items have equal importance.\n<ul class=\"wp-block-list\">\n<li>Examples: Laspeyres, Paasche, Fisher (can be weighted versions as well)<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Weighted Index Numbers:<\/strong> Items are given different weights based on importance.\n<ul class=\"wp-block-list\">\n<li>Example: Cost of living index uses household expenditure weights.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"296\" src=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-22-at-9.29.42-AM-1024x296.webp\" alt=\"\" class=\"wp-image-231242\" srcset=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-22-at-9.29.42-AM-1024x296.webp 1024w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-22-at-9.29.42-AM-768x222.webp 768w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-22-at-9.29.42-AM-1536x444.webp 1536w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-22-at-9.29.42-AM-150x43.webp 150w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-22-at-9.29.42-AM.webp 1764w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Check out <a href=\"https:\/\/www.oliveboard.in\/blog\/most-repeated-reasoning-and-general-intelligence-questions-for-ssc-cgl-tier-2\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Most Repeated Reasoning Questions for SSC CGL Tier 2<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-uses-of-index-numbers\"><span class=\"ez-toc-section\" id=\"Uses_of_Index_Numbers\"><\/span><strong>Uses of Index Numbers<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Index numbers are widely used in <strong>economics, business, and statistics<\/strong>:<\/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 aligncenter\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-tier-2-previous-year-paper\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC CGL Tier 2 Previous Year Paper, Download Free PDF<\/a><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong><strong>Use<\/strong><\/strong><\/td><td><strong><strong>Explanation \/ Example<\/strong><\/strong><\/td><\/tr><tr><td>Inflation Measurement<\/td><td>Consumer Price Index (CPI) shows rise in prices over time<\/td><\/tr><tr><td>Cost of Living<\/td><td>Measures how household expenses change<\/td><\/tr><tr><td>Production Trends<\/td><td>Industrial production index shows increase\/decrease in output<\/td><\/tr><tr><td>Stock Market<\/td><td>Share price indices like Sensex, Nifty<\/td><\/tr><tr><td>Economic Planning<\/td><td>Government uses indices to decide policies<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Check out <a href=\"https:\/\/www.oliveboard.in\/blog\/most-repeated-computer-awareness-questions-for-ssc-cgl-tier-2\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Most Repeated Computer Awareness Questions for SSC CGL Tier 2<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-takeaways\"><span class=\"ez-toc-section\" id=\"Key_Takeaways\"><\/span><strong>Key Takeaways<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Index numbers measure relative changes over time.<\/li>\n\n\n\n<li>Base period selection is important for accuracy.<\/li>\n\n\n\n<li>Know formulas for Laspeyres, Paasche, and Fisher indices.<\/li>\n\n\n\n<li>Weighted indices are used when items have different importance.<\/li>\n\n\n\n<li>Frequently asked in data interpretation, statistics, and economic questions.<\/li>\n<\/ul>\n\n\n\n<p>Check other SSC JSO related blogs:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong><strong>Blogs<\/strong><\/strong><\/td><td><strong>Blogs<\/strong><\/td><\/tr><tr><td><a href=\"https:\/\/www.oliveboard.in\/ssc-jso-mock-test\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC JSO Mock Test<\/a><\/td><td><a href=\"https:\/\/www.oliveboard.in\/blog\/ssc-jso-books\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC JSO Books<\/a><\/td><\/tr><tr><td><a href=\"https:\/\/www.oliveboard.in\/blog\/ssc-jso-cutoff\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC JSO Cut Off<\/a><\/td><td><a href=\"https:\/\/www.oliveboard.in\/blog\/ssc-jso-promotion\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC JSO Promotion<\/a><\/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><strong>FAQs <\/strong><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-1761104328273\"><strong class=\"schema-faq-question\"><strong>Q1. What is an index number?<\/strong><\/strong> <p class=\"schema-faq-answer\">A statistical measure showing relative change of a variable over time.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1761104333794\"><strong class=\"schema-faq-question\"><strong>Q2. What is the basic formula for index numbers?<\/strong><\/strong> <p class=\"schema-faq-answer\"><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1761104340826\"><strong class=\"schema-faq-question\"><strong>Q3. What are the main types of index numbers?<\/strong><\/strong> <p class=\"schema-faq-answer\">Laspeyres, Paasche, and Fisher.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1761104344860\"><strong class=\"schema-faq-question\"><strong>Q4. What is a weighted index number?<\/strong><\/strong> <p class=\"schema-faq-answer\">An index where items are given different importance based on weights.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1761104404292\"><strong class=\"schema-faq-question\"><strong>Q5. Where are index numbers used?<\/strong><\/strong> <p class=\"schema-faq-answer\">In inflation measurement, cost of living, production trends, stock markets, and economic planning.<\/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\/ssc-cgl-tier-1-pyps\/\">SSC CGL 2025 Tier 1 Question Papers, Shift-Wise PYPs, Download PDFs<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-air-70-strategy\/\">SSC CGL AIR 70 Strategy: Mock Analysis &amp; Prep Tips<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/how-did-air-1-use-oliveboard-to-crack-ssc-cgl\/\">How did AIR 1 use Oliveboard to crack SSC CGL 2026? Mock Data Analysis<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/number-puzzles-for-ssc\/\">Number Puzzle Questions for SSC Exams, Attempt Now<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/geometry\/\">Geometry Question Types, Formulas, Concepts, Short Tricks<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/active-passive-voice-for-ssc-exams\/\">Active and Passive Voice Questions for SSC Exams 2026, Attempt Now<\/a><\/li>\n<\/ul>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>In SSC CGL Tier 2 SSC JSO, Index Numbers is an important topic under Statistical Methods. Index numbers are widely<\/p>\n","protected":false},"author":65,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,5217,10231,63],"tags":[],"class_list":["post-231168","post","type-post","status-publish","format-standard","hentry","category-articles","category-ssc-prep","category-ssc-railways","category-ssc-exams","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>Index Numbers for SSC CGL Tier 2 for JSO Post<\/title>\n<meta name=\"description\" content=\"Learn Index Numbers for SSC CGL Tier 2 JSO \u2013 concepts, construction steps, formulas, types (Laspeyres, Paasche, Fisher), and key uses explained simply.\" \/>\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.oliveboard.in\/blog\/index-numbers-for-ssc-cgl\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Index Numbers for SSC CGL Tier 2 for JSO Post\" \/>\n<meta property=\"og:description\" content=\"In SSC CGL Tier 2 SSC JSO, Index Numbers is an important topic under Statistical Methods. 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