{"id":17797,"date":"2025-07-16T21:58:20","date_gmt":"2025-07-16T16:28:20","guid":{"rendered":"https:\/\/www.oliveboard.in\/blog\/?p=17797"},"modified":"2025-07-16T21:58:21","modified_gmt":"2025-07-16T16:28:21","slug":"ssc-cgl-coding-decoding","status":"publish","type":"post","link":"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-coding-decoding\/","title":{"rendered":"SSC CGL Reasoning Coding Decoding Questions, Practice &#038; Know Tips"},"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-cgl-coding-decoding\/#SSC_CGL_Reasoning_Questions_%E2%80%93_Coding_Decoding\" >SSC CGL Reasoning Questions \u2013 Coding Decoding<\/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-cgl-coding-decoding\/#Types_of_Coding-Decoding\" >Types of Coding-Decoding<\/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-cgl-coding-decoding\/#Tips_to_Solve_Coding_Decoding_Questions_SSC_Exams\" >Tips to Solve Coding Decoding Questions SSC Exams<\/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-cgl-coding-decoding\/#30_Coding%E2%80%91Decoding_Questions_for_SSC_Exams\" >30 Coding\u2011Decoding Questions for SSC Exams<\/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-cgl-coding-decoding\/#Coding_Decoding_for_SSC_Exams_FAQs\" >Coding Decoding for SSC Exams FAQs<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><strong>Coding Decoding:<\/strong> <span style=\"color: #000000;\">In this blog, we are going to help you with an important question type of SSC CGL Reasoning Syllabus which is Coding-Decoding. In this blog, we will be explaining Coding-Decoding<\/span> and also tips to solve the questions along with a <span style=\"color: #000000;\">few practice questions.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SSC_CGL_Reasoning_Questions_%E2%80%93_Coding_Decoding\"><\/span>SSC CGL Reasoning Questions \u2013 Coding Decoding<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Coding-Decoding is an important topic in the <a href=\"https:\/\/www.oliveboard.in\/ssc-cgl-reasoning-syllabus\/?ref=contan-ssc\" target=\"_blank\" rel=\"noreferrer noopener\">SSC CGL Reasoning<\/a> section. These questions test your ability to identify patterns and logic behind coded messages. Regular practice can help improve speed and accuracy in this scoring area.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What is Coding Decoding?<\/h3>\n\n\n\n<p>Coding-Decoding is a common topic in the reasoning section of exams like SSC CGL. In this type of question, a word or number is written in a coded form using a specific pattern or logic. The goal is to understand the rule used in the code and apply it to find the correct answer.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link\" href=\"https:\/\/www.oliveboard.in\/ssc-cgl-mock-test\/?ref=contan-ssc\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt Free SSC CGL Mock Tests 2025<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Types_of_Coding-Decoding\"><\/span><span style=\"color: #000000;\">Types of Coding-Decoding<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Coding-decoding questions are asked in different forms. Each type follows a specific logic. Understanding these types will help you solve them quickly and accurately in the exam. The various types of coding and decoding are as follows:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><span style=\"color: #000000;\">Coding using letters<\/span><\/li><li><span style=\"color: #000000;\">Number Coding<\/span><\/li><li><span style=\"color: #000000;\">Coding by substitution<\/span><\/li><li><span style=\"color: #000000;\">Mixed letter coding<\/span><\/li><li><span style=\"color: #000000;\">Mixed number coding etc<\/span><\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">1. Coding Using Letters<\/h3>\n\n\n\n<p>In this type, each letter of the word is replaced with another letter based on a certain pattern.<\/p>\n\n\n\n<p><strong>Common Patterns Used:<\/strong><\/p>\n\n\n\n<p>\u2022 Shifting letters forward or backward in the alphabet<br>\u2022 Replacing letters with those at fixed positions (like A = Z, B = Y, etc.)<br>\u2022 Skipping letters in a fixed sequence<\/p>\n\n\n\n<p><strong>Example:<\/strong><br>If the word <strong>DOG<\/strong> is coded as <strong>EPH<\/strong>, then each letter is shifted one step forward (D \u2192 E, O \u2192 P, G \u2192 H).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Number Coding<\/h3>\n\n\n\n<p>In number coding, letters of a word are replaced with numbers based on their position in the alphabet or other number patterns.<\/p>\n\n\n\n<p><strong>Common Patterns:<\/strong><\/p>\n\n\n\n<p>\u2022 A = 1, B = 2, &#8230;, Z = 26<br>\u2022 Total of positions of letters<br>\u2022 Reverse alphabetical order (A = 26, B = 25, etc.)<\/p>\n\n\n\n<p><strong>Example:<\/strong><br>If <strong>CAT<\/strong> is coded as <strong>3 1 20<\/strong>, then each letter is replaced by its position in the alphabet.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong>Coding by Substitution<\/strong><\/h3>\n\n\n\n<p>In this type, words are replaced by unrelated words. You need to understand the substitution pattern based on the question.<\/p>\n\n\n\n<p><strong>Example:<\/strong><br>If <strong>\u2018pen\u2019 is called \u2018book\u2019<\/strong>, <strong>\u2018book\u2019 is called \u2018paper\u2019<\/strong>, and <strong>\u2018paper\u2019 is called \u2018pencil\u2019<\/strong>,<br>then what do we write with? \u2192 <strong>Answer: Book<\/strong> (since &#8216;pen&#8217; is called &#8216;book&#8217;)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. <strong>Mixed Letter Coding<\/strong><\/h3>\n\n\n\n<p>Here, 3\u20134 sentences are given along with their codes. You are asked to find the code for a specific word that appears in one or more sentences.<\/p>\n\n\n\n<p><strong>Approach:<\/strong><\/p>\n\n\n\n<p>\u2022 Compare sentences and codes<br>\u2022 Identify common words and their codes<br>\u2022 Use elimination to find the required code<\/p>\n\n\n\n<p><strong>Example Structure:<\/strong><br>Sentence 1: &#8220;Birds fly high&#8221; \u2192 Code: ja pa ra<br>Sentence 2: &#8220;Birds sing well&#8221; \u2192 Code: pa ta la<br>Now, compare to find the code for \u201cBirds\u201d.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.oliveboard.in\/previous-year-papers\/?ref=contan-ssc\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt Previous Year Papers for Govt Exams<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. <strong>Mixed Number Coding<\/strong><\/h3>\n\n\n\n<p>In this type, multiple sentences are given, each coded with a set of numbers. You need to match the numbers to the words by comparing all sentences.<\/p>\n\n\n\n<p><strong>Approach:<\/strong><\/p>\n\n\n\n<p>\u2022 Identify common words in the sentences<br>\u2022 Compare the number sets<br>\u2022 Eliminate non-matching codes<\/p>\n\n\n\n<p><strong>Example Structure:<\/strong><br>Sentence 1: &#8220;Sky is blue&#8221; \u2192 45 62 19<br>Sentence 2: &#8220;Blue is calm&#8221; \u2192 19 73 62<br>From this, \u201cblue\u201d is common and appears with code 19 in both.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tips_to_Solve_Coding_Decoding_Questions_SSC_Exams\"><\/span>Tips to Solve Coding Decoding Questions SSC Exams<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>To solve Coding-Decoding questions accurately in<a href=\"https:\/\/www.oliveboard.in\/ssc-exams\/?ref=contan-ssc\" target=\"_blank\" rel=\"noreferrer noopener\"> SSC exams<\/a>, it&#8217;s important to understand the alphabet positions, patterns, and tricks used in coding. Here are some useful tips:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Know Alphabet Positions (A to Z)<\/h3>\n\n\n\n<p>Learn the position of each letter in the English alphabet:<br>A = 1, B = 2, C = 3, &#8230;, Z = 26<\/p>\n\n\n\n<p><strong>Tip to Remember:<\/strong> Use the shortcut word <strong>EJOTY<\/strong><br>\u2022 E = 5<br>\u2022 J = 10<br>\u2022 O = 15<br>\u2022 T = 20<br>\u2022 Y = 25<br>These help you quickly estimate the position of nearby letters.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Know Reverse Alphabet Positions (Z to A)<\/h3>\n\n\n\n<p>Sometimes letters are coded based on their position from the end.<br>Z = 1, Y = 2, &#8230;, A = 26<\/p>\n\n\n\n<p><strong>Example:<\/strong> B = 2 (normal), but in reverse order, B = 25<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Know Opposite Letter Pairs<\/h3>\n\n\n\n<p>In some coding patterns, letters are replaced by their opposite letters in the alphabet.<\/p>\n\n\n\n<p><strong>Opposite Letter Pairs:<\/strong><br>\u2022 A \u2194 Z<br>\u2022 B \u2194 Y<br>\u2022 C \u2194 X<br>\u2022 D \u2194 W<br>&#8230; and so on<\/p>\n\n\n\n<p><strong>Tip:<\/strong> The position of opposite letters always adds up to 27<br>(e.g., A=1 and Z=26 \u2192 1+26=27)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Look for Common Patterns<\/h3>\n\n\n\n<p>Check whether letters are shifted forward or backward, skipped, or converted to numbers. Always compare examples provided in the question.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Practice Mixed Coding Types<\/h3>\n\n\n\n<p>Be ready to handle questions where substitution, letter shifting, or number patterns are mixed. Practice comparing sentences to find common codes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"30_Coding%E2%80%91Decoding_Questions_for_SSC_Exams\"><\/span>30 Coding\u2011Decoding Questions for SSC Exams<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Practice these questions carefully selected Coding\u2011Decoding questions for <a href=\"https:\/\/www.oliveboard.in\/ssc-cgl\/?ref=contan-ssc\">S<\/a><a href=\"https:\/\/www.oliveboard.in\/ssc-cgl\/?ref=contan-ssc\" target=\"_blank\" rel=\"noreferrer noopener\">S<\/a><a href=\"https:\/\/www.oliveboard.in\/ssc-cgl\/?ref=contan-ssc\">C CGL<\/a>, <a href=\"https:\/\/www.oliveboard.in\/ssc-chsl\/?ref=contan-ssc\" target=\"_blank\" rel=\"noreferrer noopener\">SSC CHSL<\/a>, <a href=\"https:\/\/www.oliveboard.in\/ssc-mts\/?ref=contan-ssc\" target=\"_blank\" rel=\"noreferrer noopener\">SSC MTS<\/a> and other SSC exams. The set begins with basic patterns and grows more challenging every five questions, helping you master all common coding techniques.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q1.<\/h3>\n\n\n\n<p>In a certain code, <strong>CAT<\/strong> is written as <strong>DBU<\/strong>. How is <strong>DOG<\/strong> written?<br>A) EPH<br>B) EOI<br>C) EPH<br>D) EOI<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q2.<\/h3>\n\n\n\n<p>If <strong>WORD<\/strong> is coded as <strong>XQTF<\/strong>, then <strong>TIME<\/strong> is coded as:<br>A) VJNG<br>B) UJNF<br>C) VJNF<br>D) UJNG<br><strong>Correct Answer:<\/strong> C<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q3<\/h3>\n\n\n\n<p>In a code, each letter is replaced by the next but one letter. <strong>HELP<\/strong> becomes:<br>A) JGNQ<br>B) IGNQ<br>C) JGOQ<br>D) IGNQ<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q4.<\/h3>\n\n\n\n<p>If <strong>BOOK<\/strong> is coded as <strong>FQTP<\/strong>, what is the code for <strong>PEN<\/strong>?<br>A) RJQ<br>B) RKR<br>C) RJO<br>D) RKR<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q5.<\/h3>\n\n\n\n<p>In a code language, <strong>FIND<\/strong> \u2192 <strong>GJOF<\/strong>. How will <strong>CODE<\/strong> be written?<br>A) DPEG<br>B) DPDF<br>C) DPDF<br>D) DPEG<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q6.<\/h3>\n\n\n\n<p>Letters in a word are reversed and then each letter is shifted one forward. <strong>HELLO<\/strong> becomes:<br>A) PMMFI<br>B) OMMFI<br>C) OMMGJ<br>D) PMMGJ<br><strong>Correct Answer:<\/strong> B<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q7.<\/h3>\n\n\n\n<p>In a code, vowels are replaced by next vowel and consonants by previous consonant. <strong>JUMP<\/strong> \u2192 ?<br>A) KILN<br>B) KILN<br>C) ITLN<br>D) ITLO<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q8.<\/h3>\n\n\n\n<p>If <strong>ABCDE<\/strong> \u2192 <strong>ZABCD<\/strong>, then <strong>LMNOP<\/strong> \u2192 ?<br>A) KLNMO<br>B) KLMNO<br>C) KLNMO<br>D) KLMNO<br><strong>Correct Answer:<\/strong> D<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q9.<\/h3>\n\n\n\n<p>A word is coded by writing alternate letters first, then the rest. <strong>BOARD<\/strong> \u2192 ?<br>A) BOARD<br>B) BRDAO<br>C) BADOR<br>D) BDARO<br><strong>Correct Answer:<\/strong> B<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q10.<\/h3>\n\n\n\n<p>In a code, each letter is assigned its position in reverse alphabet (A=26). What is the code for <strong>ACE<\/strong>?<br>A) 26\u201124\u201122<br>B) 26\u201124\u201123<br>C) 26\u201125\u201123<br>D) 26\u201124\u201122<br><strong>Correct Answer:<\/strong> D<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q11.<\/h3>\n\n\n\n<p>\u201cRAT\u201d is coded as \u201cXZG\u201d. Which rule is applied?<br>A) +2, +2, \u20132<br>B) \u20132, +2, \u20132<br>C) +2, \u20132, +2<br>D) \u20132, \u20132, +2<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q12.<\/h3>\n\n\n\n<p>If <strong>GOLF<\/strong> \u2192 <strong>TOLU<\/strong>, then <strong>PLAY<\/strong> \u2192 ?<br>A) KOBI<br>B) KOBX<br>C) KOBX<br>D) KOBI<br><strong>Correct Answer:<\/strong> B<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q13.<\/h3>\n\n\n\n<p>In a code, each pair of letters is swapped and shifted one forward. <strong>MARCH<\/strong> \u2192 ?<br>A) NBQDI<br>B) NBDQI<br>C) NBDQI<br>D) NBQDI<br><strong>Correct Answer:<\/strong> B<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q14.<\/h3>\n\n\n\n<p>If <strong>PLANT<\/strong> is coded as <strong>QMBOS<\/strong>, how is <strong>WATER<\/strong> coded?<br>A) XBUFS<br>B) XBUFS<br>C) YCVGT<br>D) XCVFS<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q15.<\/h3>\n\n\n\n<p>A word is coded as the sum of the positions of its letters. What is the code for <strong>BAD<\/strong>?<br>A) 7<br>B) 6<br>C) 5<br>D) 8<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q16.<\/h3>\n\n\n\n<p>In a mixed code, letter positions are reversed and then shifted two forward. <strong>BANK<\/strong> \u2192 ?<br>A) YCPM<br>B) YCPM<br>C) YCPN<br>D) ZCPM<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q17.<\/h3>\n\n\n\n<p>If <strong>ALPHA<\/strong> \u2192 <strong>ZKOWZ<\/strong>, then <strong>DELTA<\/strong> \u2192 ?<br>A) WCJAZ<br>B) WCJAZ<br>C) WCJZG<br>D) WDJZG<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q18.<\/h3>\n\n\n\n<p>Each letter is replaced by the letter three places ahead in reverse order. <strong>CODE<\/strong> \u2192 ?<br>A) XLAW<br>B) XLAW<br>C) XMAW<br>D) XLAU<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q19.<\/h3>\n\n\n\n<p>In a code, consonants shift two forward and vowels two backward. <strong>CAMP<\/strong> \u2192 ?<br>A) ECOR<br>B) ECOR<br>C) ECQR<br>D) ECOM<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q20.<\/h3>\n\n\n\n<p>If <strong>TRICK<\/strong> \u2192 <strong>UQHBL<\/strong>, what rule is used?<br>A) +1, \u20132 alternating<br>B) +1, +2 alternating<br>C) \u20131, +2 alternating<br>D) +1, \u20132, +3\u2026<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q21.<\/h3>\n\n\n\n<p>In a sentence coding, \u201cTHE SKY IS BLUE\u201d \u2192 \u201cUXF VLA KU BMFH\u201d. What is code for \u201cSKY\u201d?<br>A) VLA<br>B) ULA<br>C) VLB<br>D) ULB<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q22.<\/h3>\n\n\n\n<p>If <strong>EAGLE<\/strong> \u2192 <strong>HFJMG<\/strong>, then <strong>BIRD<\/strong> \u2192 ?<br>A) DOGF<br>B) DNGF<br>C) DNGF<br>D) DOGE<br><strong>Correct Answer:<\/strong> B<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q23.<\/h3>\n\n\n\n<p>Letters are replaced by those 4 steps ahead and number of vowels appended. <strong>TEST<\/strong> \u2192 ?<br>A) XIWX2<br>B) XIWX2<br>C) XIWY2<br>D) XIWX1<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q24.<\/h3>\n\n\n\n<p>In a code, each letter is replaced by its opposite (A\u2194Z) then shifted one forward. <strong>HELLO<\/strong> \u2192 ?<br>A) UFMMP<br>B) TFNNO<br>C) TFNNO<br>D) UGMMQ<br><strong>Correct Answer:<\/strong> B<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q25.<\/h3>\n\n\n\n<p>A word is coded by writing its letters\u2019 square of positions. <strong>BAD<\/strong> \u2192 ?<br>A) 1\u20114\u20111<br>B) 4\u20111\u20114<br>C) 1\u20112\u20114<br>D) 4\u20111\u20114<br><strong>Correct Answer:<\/strong> D<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q26.<\/h3>\n\n\n\n<p>Each letter moves to the letter two places to its left in a circular alphabet. <strong>QUIZ<\/strong> \u2192 ?<br>A) OSGX<br>B) OSGY<br>C) OSGX<br>D) OSFY<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q27.<\/h3>\n\n\n\n<p>If odd\u2011position letters shift +3 and even\u2011position letters shift \u20132. <strong>MARCH<\/strong> \u2192 ?<br>A) PBQFJ<br>B) PBQFJ<br>C) PBQFJ<br>D) PBQGJ<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q28.<\/h3>\n\n\n\n<p>In numeric coding, letter = (position)\u00b2. What is <strong>CAT<\/strong>?<br>A) 9\u20111\u2011400<br>B) 3\u20111\u201120<br>C) 9\u20111\u201120<br>D) 9\u20111\u2011400<br><strong>Correct Answer:<\/strong> D<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q29.<\/h3>\n\n\n\n<p>A code writes consonants in reverse order and vowels normally. <strong>QUERY<\/strong> \u2192 ?<br>A) VRWQV<br>B) VPRQV<br>C) VPRQY<br>D) VPRQV<br><strong>Correct Answer:<\/strong> D<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q30.<\/h3>\n\n\n\n<p>Each letter is replaced by the one two steps ahead in forward and one step back in reverse alternately. <strong>SHIFT<\/strong> \u2192 ?<br>A) UIJGW<br>B) UHJGV<br>C) UIGJW<br>D) UIJHV<br><strong>Correct Answer:<\/strong> A<\/p>\n\n\n\n<p>Check out <a href=\"https:\/\/www.oliveboard.in\/courses\/?ref=contan-ssc\" target=\"_blank\" rel=\"noreferrer noopener\">Courses for All Govt Exams<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Coding_Decoding_for_SSC_Exams_FAQs\"><\/span>Coding Decoding for SSC Exams 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-1751882281339\"><strong class=\"schema-faq-question\">Q1. Why is Coding-Decoding important for SSC exams?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans:<\/strong> It is a scoring topic that checks your logic and pattern recognition. It appears regularly in SSC CGL, CHSL, and MTS exams.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1751882807567\"><strong class=\"schema-faq-question\">Q2. What is number coding?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans:<\/strong> Letters are replaced by their positions in the alphabet (A=1, B=2, etc.), or by reverse positions (Z=1, Y=2, etc.).<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1751882834006\"><strong class=\"schema-faq-question\">Q3. How can I remember letter positions easily?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans:<\/strong> Use the EJOTY trick:<br\/>E=5, J=10, O=15, T=20, Y=25 \u2014 helps you estimate letter positions quickly.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1751882848087\"><strong class=\"schema-faq-question\">Q4. Are coding questions time-consuming in exams?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans:<\/strong> Not if you&#8217;re well-practiced. These questions become quick to solve once you\u2019re familiar with standard patterns.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1751882867399\"><strong class=\"schema-faq-question\">Q5. How do I find opposite letters in the alphabet?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans:<\/strong> A \u2194 Z, B \u2194 Y, C \u2194 X, etc. Their positions always add up to 27 (e.g., A=1, Z=26 \u2192 1+26=27).<\/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-cpo-answer-key-2025\/\">SSC CPO Final Answer Key 2025 Out, Download PDF Now<\/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\/ssc-pharmacist-vacancy\/\">SSC Pharmacist Vacancy 2026, Total Posts, Eligibility &amp; Details<\/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<\/ul>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>Coding Decoding: In this blog, we are going to help you with an important question type of SSC CGL Reasoning<\/p>\n","protected":false},"author":66,"featured_media":222587,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5217,63],"tags":[6372,6445,6444,6441,6440,6442],"class_list":["post-17797","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ssc-prep","category-ssc-exams","tag-ssc-cgl-reasoning-preparation","tag-ssc-cgl-reasoning-questions","tag-ssc-cgl-reasoning-sample-questions","tag-ssc-cgl-reasoning-study-material","tag-ssc-cgl-reasoning-study-notes","tag-ssc-cgl-reasoning-topics","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 CGL Reasoning Coding Decoding Questions, Practice &amp; Know Tips<\/title>\n<meta name=\"description\" content=\"SSC CGL Reasoning Coding Decoding Explained. 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I focus on creating blogs, articles, and educational content that\u2019s simple, clear, and saves time for readers. I believe in writing that adds real value without overcomplicating things. I also have strong knowledge of banking and government exams, which helps me create content that is both accurate and easy to understand. With experience and consistency, I aim to make preparation smoother for every learner.\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-coding-decoding\/#faq-question-1751882281339\",\"position\":1,\"url\":\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-coding-decoding\/#faq-question-1751882281339\",\"name\":\"Q1. Why is Coding-Decoding important for SSC exams?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<strong>Ans:<\/strong> It is a scoring topic that checks your logic and pattern recognition. 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