Coding-Decoding

SSC CGL · Reasoning · 20 practice questions with answers and explanations: 8 Easy, 5 Medium, 7 Hard.

Sample questions

Sample Easy question 1

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

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

Sample Medium question 2

In a code, ROSE is written as URVH (each letter shifted forward by 3). How is LOTUS coded?

  1. ORWXV
  2. OQWXV
  3. ORWYW
  4. PRWXV
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Answer: A. Shifting each letter of LOTUS forward by 3 gives O,R,W,X,V = ORWXV.

Sample Hard question 3

In a code, P=4, A=8, I=9, N=3, and T=7. What is the code for 'TIP'?

  1. 794
  2. 749
  3. 479
  4. 947
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Answer: A. T=7, I=9, P=4, giving the code 794.

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