Module ·
Chapter 3: Coding–Decoding
Verbal & Analytical
4 topics
What this chapter covers
The 4 topics below make up Coding–Decoding in the SSC CGL exam. Click any topic to open its notes, examples and practice test.
Study material & tests
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Notes, worked examples and hint-guided practice for every topic.
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8 auto-graded questions per topic, pulled from the question bank.
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25 fresh mixed-difficulty questions, timed, with full solutions.
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Formula Reference Sheet
This chapter
Decoding toolkit
| Position values | A=1, B=2, … Z=26 |
|---|---|
| Forward shift | new = old + k (wrap Z→A) |
| Backward shift | new = old − k (wrap A→Z) |
| Opposite letter | 27 − position (A↔Z) |
| Reverse coding | write the word backwards |
SSC reference
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