Plutomonk Start free

Reasoning Ability · Bank exam practice

Coding-Decoding questions for bank exams

Coding-decoding questions use letter shifts, reversed alphabets or word-to-code tables built from sentences. Plutomonk has 1,040 Coding-Decoding questions in Prelims and Mains sets of 10, each with a worked solution. They are useful for IBPS PO, SBI PO, IBPS Clerk, SBI Clerk, IBPS RRB and RBI Assistant.

Practise Coding-Decoding freeToday's Daily Challenge
Quick tip

Write out the alphabet with positions (A = 1 to Z = 26) and their reverses. Most letter codes are a fixed shift.

Coding-Decoding sample questions with answers

These are from the first Prelims and Mains sets. Try each question before you open the solution.

Q1. In a certain code, BANK is written as MPCD. How is SILVER written in that code?

  1. REVLIS
  2. UHYOLV
  3. TGXNKU
  4. UKNXGT
  5. PCTJGQ
Show answer and solution

Answer: C. TGXNKU

Shift each letter +2, then reverse the word.

Q2. In a certain code, FATHER is written as JEXLIV. How is SOUND written in that code?

  1. HRYSW
  2. WSYRH
  3. XTZSI
  4. VRXQG
  5. OKQJZ
Show answer and solution

Answer: B. WSYRH

Each letter moves +4 in the alphabet: FATHER → JEXLIV.

Q3. In a certain code, THUNDER is written as GSFMWVI. How is VAULT written in that code?

  1. TLUAV
  2. DYENF
  3. FAGPH
  4. EZFOG
  5. GOFZE
Show answer and solution

Answer: D. EZFOG

Each letter is replaced by its opposite letter (A↔Z, B↔Y, …).

Q4. In a certain code, VAULT is written as EZFOG. How is FUND written in that code?

  1. GVOE
  2. UFMW
  3. WMFU
  4. VGNX
  5. DNUF
Show answer and solution

Answer: B. UFMW

Each letter is replaced by its opposite letter (A↔Z, B↔Y, …).

Q5. In a certain code, CRICKET is written as GVMGOIX. How is NATION written in that code?

  1. REXMSR
  2. SFYNTS
  3. RSMXER
  4. JWPEKJ
  5. QDWLRQ
Show answer and solution

Answer: A. REXMSR

Each letter moves +4 in the alphabet: CRICKET → GVMGOIX.

Q6. In a certain code, LIGHT is written as ORTSG. How is TRADE written in that code?

  1. VWZIG
  2. USBEF
  3. HJAXW
  4. EDART
  5. GIZWV
Show answer and solution

Answer: E. GIZWV

Each letter is replaced by its opposite letter (A↔Z, B↔Y, …).

Q7. In a certain code, PLANET is written as VGPCNR. How is BOND written in that code?

  1. BLMZ
  2. FPQD
  3. DQPF
  4. GQRE
  5. DNOB
Show answer and solution

Answer: B. FPQD

Shift each letter +2, then reverse the word.

Q8. In a certain code, TABLE is written as UBCMF. How is MIRROR written in that code?

  1. OKTTQT
  2. MIRROR
  3. SPSSJN
  4. NJSSPS
  5. LHQQNQ
Show answer and solution

Answer: D. NJSSPS

Each letter moves +1 in the alphabet: TABLE → UBCMF.

Q9. In a certain code language: 'card debt fund bank' is written as 'sa di ka fu'; 'card save deal fund' is written as 'di fu ho me'; 'save card cash' is written as 'ge fu me'; 'cash card save fund' is written as 'di fu me ge'. What is the code for 'cash'?

  1. ka
  2. ho
  3. Cannot be determined
  4. sa
  5. ge
Show answer and solution

Answer: E. ge

'cash' appears in 2 sentences; the only code common to them and absent elsewhere is 'ge'.

Q10. In a certain code language: 'gold pay safe risk' is written as 'me sa fu ne'; 'buy pay bank gold' is written as 'ho ne ge me'; 'rate safe less buy' is written as 'ge fu la di'; 'bank pay safe' is written as 'ho ne fu'. What is the code for 'gold'?

  1. Cannot be determined
  2. la
  3. me
  4. ho
  5. fu
Show answer and solution

Answer: C. me

'gold' appears in 2 sentences; the only code common to them and absent elsewhere is 'me'.

Q11. In a certain code language: 'risk debt loan' is written as 'sa me la'; 'less bank loan' is written as 'ru to sa'; 'debt bank risk' is written as 'ru la me'; 'risk less loan' is written as 'sa me to'. What is the code for 'less'?

  1. Cannot be determined
  2. zo
  3. la
  4. to
  5. pi
Show answer and solution

Answer: D. to

'less' appears in 2 sentences; the only code common to them and absent elsewhere is 'to'.

Q12. In a certain code language: 'more bank debt buy' is written as 'la pi to me'; 'low grow bank' is written as 'zo ji pi'; 'buy debt more low' is written as 'me zo to la'; 'card debt low bank' is written as 'to zo ho pi'. What is the code for 'bank'?

  1. to
  2. me
  3. pi
  4. zo
  5. ho
Show answer and solution

Answer: C. pi

'bank' appears in 3 sentences; the only code common to them and absent elsewhere is 'pi'.

Want 1,028+ more Coding-Decoding questions?

Open the free app for a new set every day, with timer, percentile and rank.

Start Coding-Decoding practice

More Reasoning Ability topics

Practise for your exam

IBPS POSBI POIBPS ClerkSBI ClerkIBPS RRBRBI Assistant