UGC NET Coding and decoding Previous Year Questions
JRFSmart holds 19 previous-year questions on Coding and decoding from UGC NET Paper 1 (Teaching and Research Aptitude), filed under Unit 5: Mathematical Reasoning and Aptitude, drawn from 19 of the 87 exam papers in the bank (2018–2026). Each question can be practised with a full explanation and shows how often NTA has returned to the same idea.
What is asked in Coding and decoding
The questions in this topic fall under these subtopics, ordered by how many previous-year questions each has.
| Subtopic | Questions |
|---|---|
| Progressive letter shift | 2 |
| Alternating letter shift | 2 |
| Letter-to-digit substitution | 2 |
| Word-to-digit substitution | 2 |
| Letter expanded to its neighbours | 1 |
| Halves swapped with opposite shifts | 1 |
| Descending progressive shift | 1 |
| Letter position plus one | 1 |
| Uniform letter shift | 1 |
| Position-based shifts | 1 |
| Rule based on letter gaps | 1 |
| Sum of letter positions | 1 |
NTA repeat analysis
Coding and decoding appears in 19 of 87 papers (22%), which JRFSmart rates as medium frequency.
Sample previous-year questions
If, in a certain code language : "black colour Pen" is coded as : 356 "white colour flower" is coded as : 587 "red colour Pen" is coded as : 345 then how "black" and "red" shall be coded in that code language, respectively ?
In a certain code language, 'BRIDGE' is written as 'ACQSHJCEFHDF'. How 'POWER' shall be written in that language ?
In a certain language, 'GLAMOUR' is written as 'HNDQTAY'. How 'TELEPHONE' shall be written in that language ?
In a certain code language : '4 5 6' means 'pack green carpet' '7 3 6' means 'spread one carpet' '3 5 6' means 'one green carpet' What are the codes for 'pack' and 'spread' respectively ?
If in a certain code language 'CHAIR' is coded as '64732' and 'EAT' is coded as '571', then how 'CHEATER' will be coded in that language?
If in a certain code language 'DREAM' is coded as '71692' and 'CHILD' is coded as '85437', then how LEADER will be coded in that language?
If PACE is coded as 2561925, then BALL will be coded as :
Match List - I with List - II. LIST-I (Words) A. FIND B. CLOG C. SHOW D. TIME LIST-II (Codes with same rule) I. RGKC II. DGLB III. AJME IV. QFMU Choose the correct answer from the options given below :
Showing 8 of 19 questions, without answers. Practise the full set with options, the official answer and JRFSmart's explanations.
Practise Coding and decoding
All 19 questions, one topic, with explanations and repeat data. One topic in every unit is free.
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