Coding-Decoding

JKSSB Junior Assistant · Reasoning · 20 practice questions with answers and explanations: 8 Easy, 5 Medium, 7 Hard.

Sample questions

Sample Easy question 1

If BOOK is coded as CPPL (each letter shifted forward by 1), how is PAGE coded?

  1. QBHF
  2. QBGF
  3. PBHF
  4. QCHF
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Answer: A. Shifting each letter of PAGE forward by 1 gives Q,B,H,F = QBHF.

Sample Medium question 2

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. ma
  4. na
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Answer: C. "ma" is the common code word appearing in both coded sentences, matching the common word "is".

Sample Hard question 3

If TEACHER is coded as UFBDIFS (each letter shifted forward by 1), how is STUDENT coded?

  1. TUVEFOU
  2. TUVEFOV
  3. TUWEFOU
  4. TUVDFOU
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Answer: A. Shifting each letter of STUDENT forward by 1 gives T,U,V,E,F,O,U = TUVEFOU.

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