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SSC CHSL Coding-Decoding Questions with Answers & Explanations

20 Coding-Decoding questions from the General Intelligence section of SSC CHSL, 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, GLASS is written as FKZRR. How is SMILE written in that code?

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

If BUS = 42 (sum of letter positions), then BOX = ?

  1. A38
  2. B41
  3. C45
  4. D42
Show answer
Answer: (B) 41 Add the alphabet positions of the letters: 2 + 15 + 24 = 41.
Question 3

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

  1. AXVEMR
  2. BQLDUW
  3. CZXGOT
  4. DWUDLQ
Show answer
Answer: (D) WUDLQ Each letter is shifted 3 place(s) forward.
Question 4

If BUS = 42 (sum of letter positions), then CUP = ?

  1. A39
  2. B40
  3. C38
  4. D43
Show answer
Answer: (B) 40 Add the alphabet positions of the letters: 3 + 21 + 16 = 40.
Question 5

In a certain code language, BREAD is written as CSFBE. How is TRAIN written in that code?

  1. AUSBJO
  2. BVTCKP
  3. COJBSU
  4. DSQZHM
Show answer
Answer: (A) USBJO Each letter is shifted 1 place(s) forward.
Question 6

If SUN = 54 (sum of letter positions), then BOX = ?

  1. A39
  2. B40
  3. C41
  4. D45
Show answer
Answer: (C) 41 Add the alphabet positions of the letters: 2 + 15 + 24 = 41.
Question 7

In a certain code language, GLASS is written as FKZRR. How is STONE written in that code?

  1. ASTONE
  2. BTUPOF
  3. CRSNMD
  4. DQRMLC
Show answer
Answer: (C) RSNMD Each letter is shifted 1 place(s) backward.
Question 8

If COW = 41 (sum of letter positions), then SUN = ?

  1. A57
  2. B54
  3. C53
  4. D55
Show answer
Answer: (B) 54 Add the alphabet positions of the letters: 19 + 21 + 14 = 54.
Question 9

In a certain code language, MONEY is written as OQPGA. How is MANGO written in that code?

  1. AQIPCO
  2. BPDQJR
  3. CKYLEM
  4. DOCPIQ
Show answer
Answer: (D) OCPIQ Each letter is shifted 2 place(s) forward.
Question 10

If PEN = 35 (sum of letter positions), then CUP = ?

  1. A44
  2. B42
  3. C40
  4. D41
Show answer
Answer: (C) 40 Add the alphabet positions of the letters: 3 + 21 + 16 = 40.

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Question 11

In a certain code language, SMILE is written as UOKNG. How is STONE written in that code?

  1. AVWRQH
  2. BUVQPG
  3. CWXSRI
  4. DGPQVU
Show answer
Answer: (B) UVQPG Each letter is shifted 2 place(s) forward.
Question 12

If DOG = 26 (sum of letter positions), then CUP = ?

  1. A38
  2. B39
  3. C40
  4. D41
Show answer
Answer: (C) 40 Add the alphabet positions of the letters: 3 + 21 + 16 = 40.
Question 13

In a certain code language, BRICK is written as DTKEM. How is CHAIR written in that code?

  1. AAFYGP
  2. BFKDLU
  3. CGLEMV
  4. DEJCKT
Show answer
Answer: (D) EJCKT Each letter is shifted 2 place(s) forward.
Question 14

If SUN = 54 (sum of letter positions), then MAP = ?

  1. A34
  2. B29
  3. C30
  4. D33
Show answer
Answer: (C) 30 Add the alphabet positions of the letters: 13 + 1 + 16 = 30.
Question 15

In a certain code language, CHAIR is written as AFYGP. How is TRAIN written in that code?

  1. ALGYPR
  2. BSQZHM
  3. CRPYGL
  4. DVTCKP
Show answer
Answer: (C) RPYGL Each letter is shifted 2 place(s) backward.
Question 16

If PEN = 35 (sum of letter positions), then BOX = ?

  1. A41
  2. B37
  3. C45
  4. D39
Show answer
Answer: (A) 41 Add the alphabet positions of the letters: 2 + 15 + 24 = 41.
Question 17

In a certain code language, STONE is written as UVQPG. How is BREAD written in that code?

  1. ADTGCF
  2. BZPCYB
  3. CFVIEH
  4. DEUHDG
Show answer
Answer: (A) DTGCF Each letter is shifted 2 place(s) forward.
Question 18

In a certain code language, SMILE is written as VPLOH. How is STONE written in that code?

  1. AVWRQH
  2. BHQRWV
  3. CWXSRI
  4. DPQLKB
Show answer
Answer: (A) VWRQH Each letter is shifted 3 place(s) forward.
Question 19

In a certain code language, PLANT is written as RNCPV. How is TRAIN written in that code?

  1. AVTCKP
  2. BXVEMR
  3. CPKCTV
  4. DRPYGL
Show answer
Answer: (A) VTCKP Each letter is shifted 2 place(s) forward.
Question 20

If MAP = 30 (sum of letter positions), then BUS = ?

  1. A40
  2. B42
  3. C46
  4. D38
Show answer
Answer: (B) 42 Add the alphabet positions of the letters: 2 + 21 + 19 = 42.

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

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