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IBPS RRB PO Coding-Decoding Questions with Answers & Explanations

20 Coding-Decoding questions from the Reasoning section of IBPS RRB PO, each with the correct answer and a worked explanation. Try each question first, then tap Show answer to check. When you're ready, take the timed chapter-wise test to see your all-India rank.

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Question 1

In a certain code language, MANGO is written as PDQJR. How is BREAD written in that code?

  1. AEUHDG
  2. BFVIEH
  3. CYOBXA
  4. DGDHUE
  5. EHXKGJ
Show answer
Answer: (A) EUHDG Each letter is shifted 3 place(s) forward.
Question 2

In a certain code language, QUEEN is written as TXHHQ. How is RIVER written in that code?

  1. AVMZIV
  2. BUHYLU
  3. CXOBKX
  4. DULYHU
  5. EOFSBO
Show answer
Answer: (D) ULYHU Each letter is shifted 3 place(s) forward.
Question 3

In a certain code language, FRUIT is written as DPSGR. How is TIURF written in that code?

  1. AVKWTH
  2. BRGSPD
  3. CSHTQE
  4. DPEQNB
  5. EDPSGR
Show answer
Answer: (B) RGSPD Each letter is shifted 2 place(s) backward.
Question 4

In a certain code language, PAPER is written as QBQFS. How is PLANT written in that code?

  1. AQMBOU
  2. BOKZMS
  3. CUOBMQ
  4. DRNCPV
  5. ENone of these
Show answer
Answer: (A) QMBOU Each letter is shifted 1 place(s) forward.
Question 5

In a certain code language, SMILE is written as TNJMF. How is ELIMS written in that code?

  1. AGNKOU
  2. BFMJNT
  3. CDKHLR
  4. DTNJMF
  5. ENone of these
Show answer
Answer: (B) FMJNT Each letter is shifted 1 place(s) forward.
Question 6

In a certain code language, TRAIN is written as SQZHM. How is LIGHT written in that code?

  1. AMJHIU
  2. BKHFGS
  3. CLIGHT
  4. DJGEFR
  5. ESGFHK
Show answer
Answer: (B) KHFGS Each letter is shifted 1 place(s) backward.
Question 7

In a certain code language, HOUSE is written as KRXVH. How is FRUIT written in that code?

  1. AJVYMX
  2. BWLXUI
  3. CIUXLW
  4. DLXAOZ
  5. ECORFQ
Show answer
Answer: (C) IUXLW Each letter is shifted 3 place(s) forward.
Question 8

In a certain code language, MANGO is written as NBOHP. How is CHAIR written in that code?

  1. ABGZHQ
  2. BEJCKT
  3. CDIBJS
  4. DSJBID
  5. ENone of these
Show answer
Answer: (C) DIBJS Each letter is shifted 1 place(s) forward.
Question 9

In a certain code language, HOUSE is written as KRXVH. How is STONE written in that code?

  1. APQLKB
  2. BVWRQH
  3. CHQRWV
  4. DYZUTK
  5. EWXSRI
Show answer
Answer: (B) VWRQH Each letter is shifted 3 place(s) forward.
Question 10

In a certain code language, SMILE is written as QKGJC. How is CLOUD written in that code?

  1. AYHKQZ
  2. BBKNTC
  3. CENQWF
  4. DBSMJA
  5. EAJMSB
Show answer
Answer: (E) AJMSB Each letter is shifted 2 place(s) backward.

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Question 11

In a certain code language, FRUIT is written as DPSGR. How is CLOUD written in that code?

  1. AAJMSB
  2. BYHKQZ
  3. CBSMJA
  4. DBKNTC
  5. EENQWF
Show answer
Answer: (A) AJMSB Each letter is shifted 2 place(s) backward.
Question 12

In a certain code language, CLOUD is written as AJMSB. How is WATER written in that code?

  1. AUYRCP
  2. BSWPAN
  3. CYCVGT
  4. DVZSDQ
  5. EPCRYU
Show answer
Answer: (A) UYRCP Each letter is shifted 2 place(s) backward.
Question 13

In a certain code language, TRAIN is written as VTCKP. How is NIART written in that code?

  1. ARMEVX
  2. BQLDUW
  3. CVTCKP
  4. DPKCTV
  5. ELGYPR
Show answer
Answer: (D) PKCTV Each letter is shifted 2 place(s) forward.
Question 14

In a certain code language, RIVER is written as PGTCP. How is SMILE written in that code?

  1. AUOKNG
  2. BCJGKQ
  3. COIEHA
  4. DRLHKD
  5. EQKGJC
Show answer
Answer: (E) QKGJC Each letter is shifted 2 place(s) backward.
Question 15

In a certain code language, CHAIR is written as BGZHQ. How is GLASS written in that code?

  1. ARRZKF
  2. BHMBTT
  3. CFKZRR
  4. DEJYQQ
  5. EGLASS
Show answer
Answer: (C) FKZRR Each letter is shifted 1 place(s) backward.
Question 16

In a certain code language, TABLE is written as RYZJC. How is CLOUD written in that code?

  1. ABKNTC
  2. BYHKQZ
  3. CAJMSB
  4. DBSMJA
  5. EENQWF
Show answer
Answer: (C) AJMSB Each letter is shifted 2 place(s) backward.
Question 17

In a certain code language, LIGHT is written as KHFGS. How is SMILE written in that code?

  1. ADKHLR
  2. BRLHKD
  3. CSMILE
  4. DQKGJC
  5. ETNJMF
Show answer
Answer: (B) RLHKD Each letter is shifted 1 place(s) backward.
Question 18

In a certain code language, PAPER is written as SDSHU. How is CLOUD written in that code?

  1. AGXROF
  2. BZILRA
  3. CIRUAJ
  4. DFORXG
  5. EGPSYH
Show answer
Answer: (D) FORXG Each letter is shifted 3 place(s) forward.
Question 19

In a certain code language, TRAIN is written as USBJO. How is STONE written in that code?

  1. ATUPOF
  2. BRSNMD
  3. CFOPUT
  4. DUVQPG
  5. ENone of these
Show answer
Answer: (A) TUPOF Each letter is shifted 1 place(s) forward.
Question 20

In a certain code language, STONE is written as VWRQH. How is WATER written in that code?

  1. AUHWDZ
  2. BCGZKX
  3. CTXQBO
  4. DZDWHU
  5. EAEXIV
Show answer
Answer: (D) ZDWHU Each letter is shifted 3 place(s) forward.

These are RankerClub practice questions written in the IBPS RRB PO pattern. They are not official SSC/IBPS/RRB papers.

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