Q1
Not Answered
NATIVE
Q1. Letters are written in reverse: 'CAT' -> 'TAC'. Then 'BOOK' -> ?
Rule is reverse the letter order.
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Verbal & Reasoning
Coding decoding
Solve coding-decoding patterns with shifts, position rules, and symbol transformation logic.
About Coding decoding
Coding-Decoding questions test your ability to recognize patterns in how letters, numbers, or symbols are transformed according to a rule. These questions are a staple in logical reasoning sections of placement tests, banking exams, and competitive assessments. Common coding patterns include: letter shifting (each letter moved forward or backward by a fixed number in the alphabet), reverse coding (letters mapped to their reverse positions, A↔Z, B↔Y), number-based coding (letter-to-number mapping using position values), and symbol substitution. The key approach is to compare the original word/phrase with the coded version to deduce the pattern, then apply it to the target word. Below are coding-decoding practice questions with detailed pattern explanations.
Key Takeaways
- Compare original and coded: find the difference in letter positions (A=1 to Z=26).
- Reverse coding: new position = 27 - original position. A↔Z, B↔Y, C↔X.
- Complex patterns often layer operations: position × 2 + 3, then convert back to letter.
Frequently Asked Questions
What are the common coding-decoding patterns?
1. Letter shifting: each letter moved +N or -N positions (e.g., CAT → FDW with +3 shift). 2. Reverse coding: A↔Z, B↔Y (position mapped to 27 - position). 3. Number coding: each letter mapped to its alphabet position. 4. Mixed: combining position values with operations (×2+3). The key is comparing the original and coded version to find the pattern.
How to solve letter shifting problems quickly?
Write the alphabet with position numbers (A=1 to Z=26). Calculate the shift: coded letter position minus original letter position. Apply the same shift to the target word. For reverse coding: new position = 27 - old position. Practice: ACE (1,3,5) reverse coded = ZXV (26,24,22).
Ready to practice?
You will get a fresh set each session. Select an option to instantly see correctness and explanation.
20 questions
~6 minutes
Randomized each time
Explanations included
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Q2
Not Answered
NATIVE
Q2. If 'ROAD' is coded as 'SPBE' (shift +1), how is 'MIND' coded?
Apply same +1 shift to each letter of 'MIND'.
Q3
Not Answered
NATIVE
Q3. Alphabet position code maps 'TASK' -> '2011911'. Then 'ROAD' maps to?
Map A=1, B=2, ... Z=26 and concatenate.
Q4
Not Answered
NATIVE
Q4. Using A=1, B=2 coding, 'CAT' is '3120'. Find the code for 'TASK'.
Map A=1, B=2, ... Z=26 and concatenate.
Q5
Not Answered
NATIVE
Q5. Using A<->Z, B<->Y mapping, 'CAT' becomes 'XZG'. Then 'TASK' becomes?
Use mirror mapping A<->Z, B<->Y, ... for each letter.
Q6
Not Answered
NATIVE
Q6. Using A=1, B=2 coding, 'MIND' is '139144'. Find the code for 'CAT'.
Map A=1, B=2, ... Z=26 and concatenate.
Q7
Not Answered
NATIVE
Q7. Using alternating shifts on letters, 'MIND' becomes 'NHOC'. Then 'BOOK' becomes?
Apply +1 to 1st, -1 to 2nd, +1 to 3rd, and so on.
Q8
Not Answered
NATIVE
Q8. Alphabet position code maps 'CAT' -> '3120'. Then 'TASK' maps to?
Map A=1, B=2, ... Z=26 and concatenate.
Q9
Not Answered
NATIVE
Q9. Alternate shift (+1, -1) maps 'ROAD' to 'SNBC'. What is code for 'TASK'?
Apply +1 to 1st, -1 to 2nd, +1 to 3rd, and so on.
Q10
Not Answered
NATIVE
Q10. Using A<->Z, B<->Y mapping, 'BOOK' becomes 'YLLP'. Then 'ROAD' becomes?
Use mirror mapping A<->Z, B<->Y, ... for each letter.
Q11
Not Answered
NATIVE
Q11. A +2 shift code converts a word into 'VCUM'. Which original word could it be?
Reversing the +2 shift on 'VCUM' gives 'TASK'.
Q12
Not Answered
NATIVE
Q12. Apply the same +3 shift rule: 'BOOK' -> 'ERRN'. Then 'ROAD' -> ?
Apply same +3 shift to each letter of 'ROAD'.
Q13
Not Answered
NATIVE
Q13. If 'BOOK' is coded as 'YLLP' using opposite alphabet positions (A<->Z), how is 'TASK' coded?
Use mirror mapping A<->Z, B<->Y, ... for each letter.
Q14
Not Answered
NATIVE
Q14. A +2 shift code converts a word into 'ECV'. Which original word could it be?
Reversing the +2 shift on 'ECV' gives 'CAT'.
Q15
Not Answered
NATIVE
Q15. If 'CAT' is coded as 'DBU' (shift +1), how is 'MIND' coded?
Apply same +1 shift to each letter of 'MIND'.
Q16
Not Answered
NATIVE
Q16. If 'BOOK' is coded as 'YLLP' using opposite alphabet positions (A<->Z), how is 'CAT' coded?
Use mirror mapping A<->Z, B<->Y, ... for each letter.
Q17
Not Answered
NATIVE
Q17. If letter positions are used as code and 'MIND' becomes '139144', what is code for 'BOOK'?
Map A=1, B=2, ... Z=26 and concatenate.
Q18
Not Answered
NATIVE
Q18. Using a +2 alphabet shift, 'MIND' becomes 'OKPF'. What is code for 'TASK'?
Apply same +2 shift to each letter of 'TASK'.
Q19
Not Answered
NATIVE
Q19. A +3 shift code converts a word into 'WDVN'. Which original word could it be?
Reversing the +3 shift on 'WDVN' gives 'TASK'.
Q20
Not Answered
NATIVE
Q20. If 'CAT' is coded as 'FDW' (shift +3), how is 'MIND' coded?
Apply same +3 shift to each letter of 'MIND'.
Quiz Summary
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Coding decoding Tips & preparation guide
Build coding decoding skills through daily reading and vocabulary expansion. Focus on understanding word usage in context for synonyms, antonyms, and fill-blank topics. Regular practice improves comprehension and retention.
Coding decoding Questions for Verbal and Reasoning Practice
Improve comprehension, logic, and decision-making with timed coding decoding quizzes. Check instant results and use detailed explanations to build exam-ready skills.
How to prepare effectively for this topic?
Practice short timed sets daily, review every explanation, and track recurring mistakes for weekly revision.
Are these questions useful for placements and competitive exams?
Yes. The format mirrors common screening rounds with option-based answers and explanation-driven learning.