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CAT Coding-Decoding Questions with Answers & Explanations

18 Coding-Decoding questions from the Data Interpretation & Logical Reasoning section of CAT, 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 NBOHP. How is OGNAM written in that code?

  1. AQIPCO
  2. BNFMZL
  3. CPHOBN
  4. DNBOHP
Show answer
Answer: (C) PHOBN Each letter is shifted 1 place(s) forward.
Question 2

In a certain code language, STONE is written as QRMLC. How is LIGHT written in that code?

  1. AJGEFR
  2. BKHFGS
  3. CHECDP
  4. DNKIJV
Show answer
Answer: (A) JGEFR Each letter is shifted 2 place(s) backward.
Question 3

In a certain code language, RIVER is written as TKXGT. How is BREAD written in that code?

  1. AEUHDG
  2. BFCGTD
  3. CDTGCF
  4. DFVIEH
Show answer
Answer: (C) DTGCF Each letter is shifted 2 place(s) forward.
Question 4

In a certain code language, MONEY is written as KMLCW. How is QUEEN written in that code?

  1. AOSCCL
  2. BLCCSO
  3. CMQAAJ
  4. DPTDDM
Show answer
Answer: (A) OSCCL Each letter is shifted 2 place(s) backward.
Question 5

In a certain code language, RIVER is written as QHUDQ. How is TIGER written in that code?

  1. ASHFDQ
  2. BUJHFS
  3. CQDFHS
  4. DTIGER
Show answer
Answer: (A) SHFDQ Each letter is shifted 1 place(s) backward.
Question 6

In a certain code language, WATER is written as YCVGT. How is FRUIT written in that code?

  1. AHTWKV
  2. BIUXLW
  3. CVKWTH
  4. DJVYMX
Show answer
Answer: (A) HTWKV Each letter is shifted 2 place(s) forward.
Question 7

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

  1. ATNJMF
  2. BDKHLR
  3. CRLHKD
  4. DQKGJC
Show answer
Answer: (C) RLHKD Each letter is shifted 1 place(s) backward.
Question 8

In a certain code language, QUEEN is written as RVFFO. How is PLANT written in that code?

  1. AQMBOU
  2. BUOBMQ
  3. COKZMS
  4. DRNCPV
Show answer
Answer: (A) QMBOU Each letter is shifted 1 place(s) forward.
Question 9

In a certain code language, BREAD is written as EUHDG. How is PAPER written in that code?

  1. AVGVKX
  2. BTETIV
  3. CSDSHU
  4. DUHSDS
Show answer
Answer: (C) SDSHU Each letter is shifted 3 place(s) forward.
Question 10

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

  1. AKRXVH
  2. BJQWUG
  3. CLSYWI
  4. DGUWQJ
Show answer
Answer: (B) JQWUG Each letter is shifted 2 place(s) forward.

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Question 11

In a certain code language, TIGER is written as VKIGT. How is BREAD written in that code?

  1. AFCGTD
  2. BEUHDG
  3. CZPCYB
  4. DDTGCF
Show answer
Answer: (D) DTGCF Each letter is shifted 2 place(s) forward.
Question 12

In a certain code language, TABLE is written as SZAKD. How is TRAIN written in that code?

  1. AMHZQS
  2. BSQZHM
  3. CTRAIN
  4. DUSBJO
Show answer
Answer: (B) SQZHM Each letter is shifted 1 place(s) backward.
Question 13

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

  1. ARSNMD
  2. BUVQPG
  3. CCLMRQ
  4. DQRMLC
Show answer
Answer: (D) QRMLC Each letter is shifted 2 place(s) backward.
Question 14

In a certain code language, PLANT is written as QMBOU. How is STONE written in that code?

  1. AUVQPG
  2. BRSNMD
  3. CFOPUT
  4. DTUPOF
Show answer
Answer: (D) TUPOF Each letter is shifted 1 place(s) forward.
Question 15

In a certain code language, WATER is written as VZSDQ. How is TABLE written in that code?

  1. ASZAKD
  2. BDKAZS
  3. CRYZJC
  4. DTABLE
Show answer
Answer: (A) SZAKD Each letter is shifted 1 place(s) backward.
Question 16

In a certain code language, BRICK is written as EULFN. How is TIGER written in that code?

  1. AZOMKX
  2. BUHJLW
  3. CWLJHU
  4. DXMKIV
Show answer
Answer: (C) WLJHU Each letter is shifted 3 place(s) forward.
Question 17

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

  1. ARPYGL
  2. BVTCKP
  3. CSQZHM
  4. DLGYPR
Show answer
Answer: (A) RPYGL Each letter is shifted 2 place(s) backward.
Question 18

In a certain code language, TIGER is written as WLJHU. How is GLASS written in that code?

  1. AJODVV
  2. BKPEWW
  3. CDIXPP
  4. DMRGYY
Show answer
Answer: (A) JODVV Each letter is shifted 3 place(s) forward.

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

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