Coding-Decoding is a crucial topic in the Reasoning section of the IBPS RRB Exam 2025, frequently asked in both Prelims and Mains. It tests a candidate’s logical thinking, pattern recognition, and ability to decode information systematically. Understanding different types of coding patterns and practicing a variety of questions can help improve speed and accuracy in the exam. In this article, we have provided important Coding-Decoding questions with detailed solutions to help you strengthen this topic effectively.
What is Coding-Decoding
Coding-Decoding is a crucial part of the Reasoning Ability section in the IBPS RRB exams. It tests a candidate’s ability to decipher a given code language. In these questions, information is given in a coded form, and candidates need to decode it using a specific pattern or rule.
Types of Coding-Decoding Questions
- Letter Coding: Here, alphabets are replaced by other alphabets following a specific pattern.
- Number Coding: Numbers replace letters or a combination of letters and numbers is used.
- Symbol Coding: Symbols replace letters or numbers.
- Substitution Coding: Words are replaced by certain codes or symbols.
- Mixed Coding/Decoding: A combination of the above types.
Key Strategies for Solving Coding-Decoding Questions
- Identify Patterns: Look for consistent patterns in the codes provided.
- Compare Elements: Compare coded words with their corresponding original words to identify the rule.
- Practice Regularly: Regular practice helps in quickly recognizing common coding patterns.
Coding-Decoding Questions for the IBPS RRB Exam
Directions (01-04): Answer these questions based on the following information.
In a certain code:
“happy not bad good towards” is coded as – “xa pb ut nq tf”
“good smile sorrow towards” is coded as – “ut tf rd lk”
“smile happy not sad” is coded as – “pb rd xa zh”
“bad sorrow towards” is coded as – “nq lk ut”
Q01. What will be the code for “smile” as per the given code language?
(a) xa
(b) rd
(c) nq
(d) pb
(e) None of these
Q02. What will be the code for “not” as per the given code language?
(a) tf
(b) nq
(c) pb
(d) xa
(e) Either xa or pb
Q03. Which among the following word is coded as “nq” as per the given code language?
(a) good
(b) sorrow
(c) bad
(d) happy
(e) None of these
Q04. What will be the possible code for “happy good” as per the given code language?
(a) xa tf
(b) rd tf
(c) xa pb
(d) nq lk
(e) lk zh
Directions (05-09): Answer these questions based on the following information. In a certain code:
“Given deadlines work assignments” is coded as – “zx iu vs qs”
“Is work” is coded as – “zx pt”
“management deadlines policies meetings” is coded as – “qs rt mh gr”
“meetings assignments” is coded as – “iu gr”
Q05. What will be the code for “Is” as per the given code language?
(a) qs
(b) rt
(c) iu
(d) pt
(e) None of these
Q06. What will be the code for “management” as per the given code language?
(a) rt
(b) zx
(c) vo
(d) mh
(e) Either rt or mh
Q07. Which among the following word is coded as “vs” as per the given code language?
(a) deadlines
(b) assignments
(c) work
(d) given
(e) None of these
Q08. What will be the code for “deadlines policies meetings” as per the given code language?
(a) mh qs rt
(b) iu vo mh
(c) vo qs mh
(d) zx rt vo
(e) Can’t be determined
Q09. What will be the possible code for “Given management” as per the given code language?
(a) mh vo
(b) zx rt
(c) qs iu
(d) vs rt
(e) vs pt
Q10. In a certain code “GIANT” is coded as “IGCLV” and “FIBRE” is coded as “HGDPG”, then what will be the code for the word “DRIVE”?
(a) FPKTC
(b) FPJTF
(c) FQKTF
(d) FPKTG
(e) FPKTN
Directions (11-15): Study the following information carefully and answer the questions given below:
In a certain code language:
‘Hospitals provide proper facilities’ is coded as ‘yu ki fs bv’
‘Proper study guidance important’ is coded as ‘bv at zx pe’
‘Hospitals facilities not important’ is coded as ‘zx yu fs gf’
‘facilities guidance where needed’ is coded as ‘fs at hw dn’
Q11. What is the code of “hospital” as per the given code language?
(a) yu
(b) ki
(c) Either(a)or(b)
(d) hw
(e) None of these
Q12. What is the code of “important” as per the given code language?
(a) at
(b) zx
(c) gf
(d) pe
(e) None of these
Q13. What is the code of “guidance needed” as per the given code language?
(a) at pe
(b) at dn
(c) hw at
(d) Either (a)or(b)
(e) Either (b)or(c)
Q14.Which of the following word is coded as ‘bv’ per the given code language?
(a) provide
(b) study
(c) proper
(d) not
(e) None of these
Q15. What may the possible code for ‘provide help’ as per the given code language?
(a) ki bv
(b) bv zx
(c) zx hp
(d) ki hp
(e) ki yu
Directions (16-20): Study the following information and answer the given questions.
In coded language,
“Karma would be anywhere” is coded as “wp bn qu tl”
“Anywhere policy will be” is coded as “an wp bn sh”
“Karma be yours strength” is coded as “tl bn ft er”
Q16. What is the code for the word ‘strength’?
(a) ft
(b) er
(c) bn
(d) tl
(e) Either ft or er
Q17. If ‘will please’ is coded as ‘sh pr’ then what can be the possible code for ‘policy care’ in the coded language?
(a) an bn
(b) an ut
(c) ut wp
(d) ut tl
(e) sa pz
Q18. Which among the following word is coded as ‘bn’?
(a) Anywhere
(b) Karma
(c) Would
(d) Be
(e) None of the above
Q19. What is the code for the word ‘anywhere’?
(a) wp
(b) qu
(c) tl
(d) bn
(e) None of the above
Q20. What is the code for the word ‘Yours’?
(a) ft
(b) er
(c) sh
(d) Either ft or er
(e) None of the above
Directions (21-25): Answer the following questions based on the information given below.
In a certain code of language,
“The new driving license update” is coded as “hb sb cb ub fb”
“These are policy license” is coded as “fb xb zb vb”
‘’New are procedure” is coded as “xb ob hb”
“The policy documentation” is coded as “qb sb zb”
Q21. What is the code for the word ‘these’?
(a) vb
(b) xb
(c) zb
(d) fb
(e) None of these
Q22. What is the code for the word ‘update’?
(a) ub
(b) cb
(c) hb
(d) sb
(e) Can’t be determined
Q23. The code ‘zb’ represents which of the following word?
(a) These
(b) Documentation
(c) License
(d) Policy
(e) None of these
Q24. What is the code for ‘are’?
(a) xb
(b) fb
(c) ob
(d) hb
(e) None of these
Q25. What is the code for the word ‘Documentation’?
(a) qb
(b) sb
(c) zb
(d) None of these
(e) Can’t be determined
Directions (26-30): Study the following information carefully and answer the questions given below:
In a certain code language:
‘Member song mail’ is written as ‘yt po ki’,
‘Boat complete dope’ is written as ‘tu at uj’,
‘Mail dope Boat’ is written as ‘at yt uj’
‘Member mail Boat’ is written as ‘yt uj ki’.
Q26. What is the code for ‘song member’ in the given code language?
(a) tu uj
(b) po ki
(c) at uj
(d) uj po
(e) None of these
Q27. What is the code for ‘complete’ in the given code language?
(a) tu
(b) ki
(c) at
(d) uj
(e) None of these
Q28. What is the code for ‘Boat’ in the given code language?
(a) tu
(b) po
(c) at
(d) uj
(e) None of these
Q29. What may be the code for ‘mail delivered’?
(a) yt sa
(b) po ki
(c) at sa
(d) sa tu
(e) None of these
Q30. What is the code for ‘mail dope’ in the given code language?
(a) yt fa
(b) yt at
(c) uj ki
(d) yt uj
(e) None of these
Directions (31-34): Study the following information carefully and answer the question given below.
In a certain code language;
“Playing is good habit” is coded as “th pl dg gp”
“Make your habit of playing” is coded as “em gp ry iu th”
“Playing games is healthy” is coded as “sg gp pl yh”
“Make time of games” is coded as “em et sg iu”
Q31. What is the code for the word “Habit” as per the above code language?
(a) em
(b) gp
(c) pl
(d) th
(e) Can’t be determined
Q32. Which of the following word is coded as “gp”?
(a) Good
(b) Playing
(c) Healthy
(d) Games
(e) Can’t be determined
Q33. What is the code for the word “Make”?
(a) em
(b) iu
(c) gp
(d) Either ‘em’ or ‘gp’
(e) Either ‘em’ or ‘iu’
Q34. What is the code for “Games”?
(a) sg
(b) ry
(c) et
(d) em
(e) None of these
Directions (35-37): Study the following information carefully and answer the questions accordingly.
In a certain code language,
“You will be absent there” is coded as “kd oy ye ty aw”
“Visit should be there” is coded as “st bu oy aw lr”
“You should be absent” is coded as “kd bu oy ty”
“Possible you come” is coded as “lr kd xs”
Q35. What is the code for “possible” in the given code language?
(a) st
(b) bu
(c) xs
(d) lr
(e) Can’t be determined
Q36. What is the code for “be” in the given code language?
(a) oy
(b) aw
(c) ty
(d) kd
(e) None of these
Q37. What is the code for “You absent” in the given code language?
(a) oy kd
(b) ty oy
(c) ty kd
(d) Can’t be determined
(e) None of these
Directions (38-40): Read the following information carefully and answer the following questions.
If in a certain code language
“bedsheet should be clean” is coded as “hi gf de kr”
“bed and bedsheet clean” is coded as “hi kr do mn”
“our bed should be untidy” is coded as “gf ed do de bh”
Q38. What is the code for “untidy” in the same code language?
(a) bh
(b) ed
(c) gf
(d) do
(e) Cannot be determined
Q39. If “our bedsheet” is coded as “bh hi” then what will be the code for “clean bed” in the same code language?
(a) do mn
(b) kr do
(c) kr gf
(d) Both (a) and (b)
(e) Both (b) and (c)
Q40. What is the code for “bed and bedsheet” in the same code language?
(a) do mn hi
(b) mn do kr
(c) mn do bh
(d) do ed mn
(e) Either (a) or (b)
| Solutions | |||||||||
| 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| b | e | c | a | d | e | d | e | d | d |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| a | b | e | c | d | e | b | d | a | d |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| a | e | d | a | a | b | a | d | a | b |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 |
| d | b | e | a | e | a | c | e | b | e |
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