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SSC MTS Coding-Decoding Questions with Answers & Explanations

20 Coding-Decoding questions from the Session I: Reasoning Ability & Problem Solving section of SSC MTS, 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

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

  1. A20
  2. B21
  3. C24
  4. D23
Show answer
Answer: (D) 23 Add the alphabet positions of the letters: 2 + 1 + 20 = 23.
Question 2

In a certain code language, QUEEN is written as PTDDM. How is PAPER written in that code?

  1. APAPER
  2. BNYNCP
  3. COZODQ
  4. DQBQFS
Show answer
Answer: (C) OZODQ Each letter is shifted 1 place(s) backward.
Question 3

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

  1. A30
  2. B26
  3. C31
  4. D29
Show answer
Answer: (A) 30 Add the alphabet positions of the letters: 13 + 1 + 16 = 30.
Question 4

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

  1. AFORXG
  2. BIRUAJ
  3. CZILRA
  4. DGXROF
Show answer
Answer: (A) FORXG Each letter is shifted 3 place(s) forward.
Question 5

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

  1. A27
  2. B30
  3. C31
  4. D25
Show answer
Answer: (A) 27 Add the alphabet positions of the letters: 8 + 5 + 14 = 27.
Question 6

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

  1. AMDDTP
  2. BOFFVR
  3. CRVFFO
  4. DPGGWS
Show answer
Answer: (B) OFFVR Each letter is shifted 1 place(s) forward.
Question 7

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

  1. A35
  2. B32
  3. C39
  4. D31
Show answer
Answer: (A) 35 Add the alphabet positions of the letters: 16 + 5 + 14 = 35.
Question 8

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

  1. ASJWFS
  2. BQHUDQ
  3. CSFWJS
  4. DTKXGT
Show answer
Answer: (A) SJWFS Each letter is shifted 1 place(s) forward.
Question 9

If FAN = 21 (sum of letter positions), then SUN = ?

  1. A50
  2. B56
  3. C57
  4. D54
Show answer
Answer: (D) 54 Add the alphabet positions of the letters: 19 + 21 + 14 = 54.
Question 10

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

  1. ATXHHQ
  2. BUYIIR
  3. CNRBBK
  4. DQHHXT
Show answer
Answer: (A) TXHHQ Each letter is shifted 3 place(s) forward.

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Question 11

If HEN = 27 (sum of letter positions), then BOX = ?

  1. A41
  2. B45
  3. C44
  4. D43
Show answer
Answer: (A) 41 Add the alphabet positions of the letters: 2 + 15 + 24 = 41.
Question 12

In a certain code language, CLOUD is written as ENQWF. How is BREAD written in that code?

  1. AFVIEH
  2. BZPCYB
  3. CFCGTD
  4. DDTGCF
Show answer
Answer: (D) DTGCF Each letter is shifted 2 place(s) forward.
Question 13

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

  1. A41
  2. B38
  3. C45
  4. D40
Show answer
Answer: (A) 41 Add the alphabet positions of the letters: 2 + 15 + 24 = 41.
Question 14

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

  1. AVTCKP
  2. BRPYGL
  3. CPNWEJ
  4. DSQZHM
Show answer
Answer: (B) RPYGL Each letter is shifted 2 place(s) backward.
Question 15

In a certain code language, TABLE is written as WDEOH. How is FRUIT written in that code?

  1. AWLXUI
  2. BLXAOZ
  3. CIUXLW
  4. DJVYMX
Show answer
Answer: (C) IUXLW Each letter is shifted 3 place(s) forward.
Question 16

If CUP = 40 (sum of letter positions), then MAP = ?

  1. A34
  2. B29
  3. C28
  4. D30
Show answer
Answer: (D) 30 Add the alphabet positions of the letters: 13 + 1 + 16 = 30.
Question 17

In a certain code language, BRICK is written as AQHBJ. How is KCIRB written in that code?

  1. AJBHQA
  2. BIAGPZ
  3. CAQHBJ
  4. DKCIRB
Show answer
Answer: (A) JBHQA Each letter is shifted 1 place(s) backward.
Question 18

If BOX = 41 (sum of letter positions), then MAP = ?

  1. A26
  2. B31
  3. C30
  4. D32
Show answer
Answer: (C) 30 Add the alphabet positions of the letters: 13 + 1 + 16 = 30.
Question 19

In a certain code language, RIVER is written as SJWFS. How is BRICK written in that code?

  1. AAQHBJ
  2. BDTKEM
  3. CCSJDL
  4. DLDJSC
Show answer
Answer: (C) CSJDL Each letter is shifted 1 place(s) forward.
Question 20

In a certain code language, WATER is written as XBUFS. How is CHAIR written in that code?

  1. AEJCKT
  2. BDIBJS
  3. CSJBID
  4. DBGZHQ
Show answer
Answer: (B) DIBJS Each letter is shifted 1 place(s) forward.

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

More Session I: Reasoning Ability & Problem Solving topics

Order & Ranking 22 Qs Alphabet & Word Order 22 Qs Series 21 Qs Analogy 21 Qs Blood Relations 20 Qs Classification 19 Qs Syllogism 18 Qs Mathematical Operations 18 Qs

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