Reasoning Ability | Questions
Coding-decoding questions with solutions
Coding-decoding is a Reasoning Ability topic for competitive exams. It appears across bank and railway exams. This page has 92 solved coding-decoding questions written to the official pattern, with a worked solution under each.
- Question 1Easy
In a certain code, each letter is moved 2 places forward in the alphabet. How is "BOOK" written in that code?
- A.GTTP
- B.DQQMCorrect
- C.CPPL
- D.FSSO
- E.ZMMI
Show solution
Moving every letter of BOOK 2 places forward gives DQQM.
- Question 2Easy
In a certain code, each letter is moved 2 places forward in the alphabet. How is "GATE" written in that code?
- A.LFYJ
- B.EYRC
- C.KEXI
- D.ICVGCorrect
- E.HBUF
Show solution
Moving every letter of GATE 2 places forward gives ICVG.
- Question 3Easy
In a certain code, each letter is moved 1 place forward in the alphabet. How is "CASH" written in that code?
- A.ECUJ
- B.FDVK
- C.GEWL
- D.BZRG
- E.DBTICorrect
Show solution
Moving every letter of CASH 1 place forward gives DBTI.
- Question 4Easy
In a certain code, each letter is moved 1 place forward in the alphabet. How is "DESK" written in that code?
- A.CDRJ
- B.GHVN
- C.EFTLCorrect
- D.FGUM
- E.DESK
Show solution
Moving every letter of DESK 1 place forward gives EFTL.
- Question 5Easy
In a certain code, each letter is moved 1 place forward in the alphabet. How is "FIRE" written in that code?
- A.JMVI
- B.HKTG
- C.FIRE
- D.GJSFCorrect
- E.ILUH
Show solution
Moving every letter of FIRE 1 place forward gives GJSF.
- Question 6Easy
In a certain code, each letter is moved 2 places forward in the alphabet. How is "ROAD" written in that code?
- A.WTFI
- B.TQCFCorrect
- C.PMYB
- D.SPBE
- E.URDG
Show solution
Moving every letter of ROAD 2 places forward gives TQCF.
- Question 7Easy
In a certain code, each letter is moved 1 place forward in the alphabet. How is "FISH" written in that code?
- A.EHRG
- B.GJTICorrect
- C.FISH
- D.JMWL
- E.HKUJ
Show solution
Moving every letter of FISH 1 place forward gives GJTI.
- Question 8Easy
In a certain code, each letter is moved 2 places forward in the alphabet. How is "STAR" written in that code?
- A.UVCTCorrect
- B.VWDU
- C.QRYP
- D.TUBS
- E.WXEV
Show solution
Moving every letter of STAR 2 places forward gives UVCT.
- Question 9Easy
In a certain code, each letter is moved 1 place forward in the alphabet. How is "GOLD" written in that code?
- A.IQNF
- B.JROG
- C.GOLD
- D.HPMECorrect
- E.FNKC
Show solution
Moving every letter of GOLD 1 place forward gives HPME.
- Question 10Easy
In a certain code, each letter is moved 1 place forward in the alphabet. How is "KING" written in that code?
- A.KING
- B.MKPI
- C.LJOHCorrect
- D.JHMF
- E.NLQJ
Show solution
Moving every letter of KING 1 place forward gives LJOH.
- Question 11Easy
In a certain code, each letter is moved 2 places forward in the alphabet. How is "RATE" written in that code?
- A.VEXI
- B.TCVGCorrect
- C.PYRC
- D.WFYJ
- E.UDWH
Show solution
Moving every letter of RATE 2 places forward gives TCVG.
- Question 12Easy
In a certain code, each letter is moved 2 places forward in the alphabet. How is "SUN" written in that code?
- A.QSL
- B.TVO
- C.XZS
- D.WYR
- E.UWPCorrect
Show solution
Moving every letter of SUN 2 places forward gives UWP.
These are 12 of 92 coding-decoding questions in the bank. Attempt the rest with instant feedback in the practice drills, or under a clock in the mock tests.
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Frequently asked questions
How many Coding-decoding questions are here?
This page shows 12 worked coding-decoding questions from a bank of 92, spanning 20 easy, 40 moderate and 32 hard. The full set is available to attempt in the timed-free practice drills and the mock tests.
Which exams ask Coding-decoding questions?
Coding-decoding is a standard Reasoning Ability topic across bank and railway recruitment exams.
Are these Coding-decoding questions free, and are the answers reliable?
Yes. Every question is free, written in-house to the exam pattern rather than copied from a real paper, and the numeric answer keys are recomputed independently at build time — a wrong key fails the build rather than reaching you.