Coding-Decoding

J&K Bank Banking Associate · Reasoning Ability · 81 practice questions with answers and explanations: 48 Easy, 33 Medium, 0 Hard.

Sample questions

Sample Easy question 1

If GOLD is coded as HPME, how is SILVER coded?

  1. TJNWFS
  2. TJMXFS
  3. TJMWFS
  4. TIMWFS
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Answer: C. Each letter shifts forward by 1: S→T, I→J, L→M, V→W, E→F, R→S.

Sample Easy question 2

If each letter's code number is its position in the alphabet, and the code of a word is the sum of its letters' positions, find the code for CAT.

  1. 22
  2. 24
  3. 23
  4. 25
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Answer: B. C=3, A=1, T=20, sum = 24.

Sample Easy question 3

If ROSE is coded as SPTF, how is TABLE coded?

  1. UBCNF
  2. UBCMF
  3. UBDMF
  4. VBCMF
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Answer: B. Each letter shifts forward by 1: T→U, A→B, B→C, L→M, E→F.

Sample Medium question 4

In a certain code, the letters of a word are written in reverse order and then each letter is moved 3 place(s) ahead. How is DOCTOR coded?

  1. URWFRG
  2. ROTCOD
  3. GRFWRU
  4. OLQZLA
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Answer: A. Reverse: ROTCOD; shift each letter 3 ahead: URWFRG.

Sample Medium question 5

In a certain code, each letter is replaced by its opposite letter in the alphabet (A↔Z, B↔Y, C↔X and so on). How is NOTE written in that code?

  1. ETON
  2. ABGR
  3. NMHW
  4. MLGV
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Answer: D. A↔Z, B↔Y, …: N O T E → M L G V.

Sample Medium question 6

In a code, "he is good" is "ka la ma" and "she is nice" is "ma na pa". What is the code for "is"?

  1. ka
  2. la
  3. na
  4. ma
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Answer: D. "ma" is the common code word appearing in both coded sentences, matching the common word "is".

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