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Question

In a certain code, "CLEAN" is written as "BKDZM".
What is the code for GLASS?

This question was previously asked in
SSC CGL 2025 Tier 2 Paper 1 Question Paper (19-Jan-2026)
The correct answer is

FKZRR

Analyzing the Coding Pattern

The question provides a coded example: "CLEAN" is coded as "BKDZM". We need to determine the logic behind this transformation.

  • C is replaced by B (previous letter, -1 position).
  • L is replaced by K (previous letter, -1 position).
  • E is replaced by D (previous letter, -1 position).
  • A is replaced by Z (previous letter, wrapping around from A to Z, -1 position).
  • N is replaced by M (previous letter, -1 position).

The pattern identified is that each letter in the original word is replaced by the letter immediately preceding it in the alphabet.

Applying the Pattern to GLASS

Now, we apply the same "-1 position" logic to the word "GLASS":

  • G becomes F (G - 1 = F).
  • L becomes K (L - 1 = K).
  • A becomes Z (A - 1 = Z, wrapping around).
  • S becomes R (S - 1 = R).
  • S becomes R (S - 1 = R).

Combining these results, the code for "GLASS" is "FKZRR".

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