Coding and Decoding is one of the important topics and 2-3 questions are frequently asked from this topic in the examination. You can solve different types of Coding-Decoding questions here, as we have covered each and every type of Coding-Decoding questions that can be asked in the upcoming SSC CGL Exam 2026. In this blog, we have provided some of the Important SSC CGL General Intelligence and Reasoning Coding Decoding Questions for live practice along with a free e-book download.
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Practice Coding-Decoding Questions Live
From an SSC CGL point of view, Coding-Decoding is an important and high-scoring topic in the Reasoning section. It tests a candidate’s logical thinking, pattern recognition, and problem-solving skills. In SSC CGL Exam, candidates can expect around 10–15 questions from this section. Practicing a variety of coding-decoding questions is essential to improve speed, accuracy, and confidence while attempting the exam.
1. In a certain code language COMPUTER is written as RFUVQNPC. How will MEDICINE be written in that code language?
2. If DIG is coded as 25 and CUT is coded as 49, then how will KICK be coded?
3. In a certain code language, ‘134’ means ‘good and tasty’; ‘478’ means ‘see good pictures’ and ‘729’ means ‘pictures are faint’. Which of the following digits stands for ‘see’?
4. In a code language, VICTORY is written as CIVSYRO. How will TRAITOR be written in that language?
5. If ROSE is coded as 6821, CHAIR is coded as 73456 and PREACH is coded as 961473, what will be the code for SEARCH?
6. In a certain code language, ‘pit na som’ means ‘bring me water’, ‘na jo tod’ means ‘water is life’, ‘tub od pit’ means ‘give me toy’, ‘jo lin kot’ means ‘life and death’. Which of the following represents ‘is’ in that language?
7. From the given alternative words, select the word which cannot be formed using the letters of the given word: RECIPROCATE
8. In a certain language, “CASIO” is written as “3119915”. How is “CITIZEN” written in that code language?
9. If E = 5 and READ is coded as 7, then what is the code of ‘DEAR’?
10. In a certain code language, various words are coded with symbols and numbers. Which of the following code is for ‘plan’ and ‘translate’?
11. If in a certain code language, ‘oka peru’ means ‘fine cloth’; ‘meta lisa’ means ‘clear water’ and ‘dona lisa peru’ means ‘fine clear weather’, which word in that language means ‘weather’?
12. If FRIEND is coded as HUMJTK, how can CANDLE be written in that code?
13. If Pour is written as 4156, Sware is written as 78269, Clear is written as 3@926, then what is the code for PEARL?
14. In a certain code ‘Black’ means ‘Orange’, ‘Orange’ means ‘Violet’, ‘Violet’ means ‘Green’, ‘Green’ means ‘White’, ‘White’ means ‘Yellow’ and ‘Yellow’ means ‘Sky blue’. What is the color of coal?
15. In a certain code language, ‘is uc he bh kr’ means ‘Lucky likes to dance freely’, ‘ha by lm kr op’ means ‘Dance can be a hobby’, ‘he id ac kr bh’ means ‘Lucky teaches dance to kids’ and ‘kr id bh tw uc’ means ‘Kids dance freely with Lucky’. ‘Lucky likes to dance with kids’ can be coded as?
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SSC CGL Reasoning Syllabus
The SSC CGL Reasoning Syllabus for Tier 1 and Tier 2 largely overlaps, with Tier 2 focusing on a higher level of difficulty and more complex problem-solving. For better understanding and structured preparation, here is a combined table covering all important topics and sub-topics:
| Topic | Sub-Topics / Coverage |
| Analogy | Word Analogy, Number Analogy, Figure Analogy |
| Classification | Odd One Out, Word/Number/Figure Classification |
| Series | Number Series, Alphabet Series, Figure Series |
| Coding-Decoding | Letter Coding, Number Coding, Mixed Coding |
| Blood Relations | Direct, Puzzle-Based, Coded Relations |
| Direction Sense Test | Distance, दिशा ज्ञान, Position & Directions |
| Order & Ranking | Left/Right Position, Height-Based, Ranking |
| Venn Diagrams | Logical Diagrams, Syllogism-based Questions |
| Mathematical Operations | Symbol Replacement, Interchanging Signs |
| Syllogism | Statements & Conclusions, Logical Deduction |
| Calendar & Clock | Odd Days, Leap Year, Time Calculation |
| Embedded Figures | Hidden Figure Identification |
| Mirror & Water Images | Reflection-Based Questions |
| Paper Folding & Cutting | Pattern Analysis, Visual Reasoning |
| Figure Completion | Missing Figure, Pattern Completion |
| Puzzle | Seating Arrangement, Floor Puzzle |
| Matrix | Pattern Matrix, Missing Elements |
| Visual Reasoning | Non-Verbal Reasoning, Figure Series |
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