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UP Police Constable Coding-Decoding Questions with Answers & Explanations

20 Coding-Decoding questions from the Mental Aptitude, IQ & Reasoning section of UP Police Constable, 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, MONEY is written as KMLCW. How is FRUIT written in that code?

  1. ABNQEP
  2. BHTWKV
  3. CDPSGR
  4. DEQTHS
Show answer
Answer: (C) DPSGR Each letter is shifted 2 place(s) backward.
Question 2

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

  1. A51
  2. B55
  3. C49
  4. D54
Show answer
Answer: (A) 51 Add the alphabet positions of the letters: 20 + 15 + 16 = 51.
Question 3

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

  1. A44
  2. B43
  3. C45
  4. D41
Show answer
Answer: (D) 41 Add the alphabet positions of the letters: 3 + 15 + 23 = 41.
Question 4

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

  1. ARIIYU
  2. BQHHXT
  3. CTKKAW
  4. DTXHHQ
Show answer
Answer: (B) QHHXT Each letter is shifted 3 place(s) forward.
Question 5

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

  1. ADPSGR
  2. BBNQEP
  3. CEQTHS
  4. DHTWKV
Show answer
Answer: (A) DPSGR Each letter is shifted 2 place(s) backward.
Question 6

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

  1. A24
  2. B26
  3. C22
  4. D30
Show answer
Answer: (B) 26 Add the alphabet positions of the letters: 4 + 15 + 7 = 26.
Question 7

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

  1. ARLHKD
  2. BFMJNT
  3. CCJGKQ
  4. DDKHLR
Show answer
Answer: (D) DKHLR Each letter is shifted 1 place(s) backward.
Question 8

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

  1. A46
  2. B41
  3. C44
  4. D42
Show answer
Answer: (D) 42 Add the alphabet positions of the letters: 2 + 21 + 19 = 42.
Question 9

In a certain code language, HOUSE is written as IPVTF. How is WATER written in that code?

  1. AYCVGT
  2. BXBUFS
  3. CVZSDQ
  4. DSFUBX
Show answer
Answer: (B) XBUFS Each letter is shifted 1 place(s) forward.
Question 10

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

  1. A42
  2. B41
  3. C44
  4. D38
Show answer
Answer: (B) 41 Add the alphabet positions of the letters: 3 + 15 + 23 = 41.

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Question 11

In a certain code language, LIGHT is written as MJHIU. How is MONEY written in that code?

  1. ALNMDX
  2. BNPOFZ
  3. COQPGA
  4. DZFOPN
Show answer
Answer: (B) NPOFZ Each letter is shifted 1 place(s) forward.
Question 12

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

  1. A20
  2. B27
  3. C23
  4. D26
Show answer
Answer: (C) 23 Add the alphabet positions of the letters: 2 + 1 + 20 = 23.
Question 13

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

  1. AJXKDL
  2. BRJQDP
  3. CSGTMU
  4. DPDQJR
Show answer
Answer: (D) PDQJR Each letter is shifted 3 place(s) forward.
Question 14

In a certain code language, TABLE is written as UBCMF. How is SMILE written in that code?

  1. ATNJMF
  2. BRLHKD
  3. CFMJNT
  4. DUOKNG
Show answer
Answer: (A) TNJMF Each letter is shifted 1 place(s) forward.
Question 15

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

  1. A39
  2. B45
  3. C41
  4. D42
Show answer
Answer: (C) 41 Add the alphabet positions of the letters: 3 + 15 + 23 = 41.
Question 16

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

  1. AUJHFS
  2. BVKIGT
  3. CSFHJU
  4. DSHFDQ
Show answer
Answer: (A) UJHFS Each letter is shifted 1 place(s) forward.
Question 17

If BAT = 23 (sum of letter positions), then SUN = ?

  1. A50
  2. B55
  3. C54
  4. D51
Show answer
Answer: (C) 54 Add the alphabet positions of the letters: 19 + 21 + 14 = 54.
Question 18

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

  1. AWDEOH
  2. BVCDNG
  3. CXEFPI
  4. DGNDCV
Show answer
Answer: (B) VCDNG Each letter is shifted 2 place(s) forward.
Question 19

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

  1. A35
  2. B34
  3. C39
  4. D33
Show answer
Answer: (A) 35 Add the alphabet positions of the letters: 16 + 5 + 14 = 35.
Question 20

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

  1. A27
  2. B22
  3. C23
  4. D24
Show answer
Answer: (D) 24 Add the alphabet positions of the letters: 3 + 1 + 20 = 24.

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

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