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Question

If HELMET is coded as IFMNFU, how is IFMNFU coded?

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

Coding Pattern Identification

The question presents a coding puzzle where the word $HELMET$ is coded as $IFMNFU$. We need to find the pattern used in this transformation.

  • H becomes I (+1 letter position)
  • E becomes F (+1 letter position)
  • L becomes M (+1 letter position)
  • M becomes N (+1 letter position)
  • E becomes F (+1 letter position)
  • T becomes U (+1 letter position)

The pattern identified is a simple shift cipher where each letter in the original word is replaced by the letter immediately following it in the English alphabet.

Applying the Coding Pattern

The question asks how $IFMNFU$ is coded. Applying the same "+1 letter shift" pattern:

  • I + 1 letter = J
  • F + 1 letter = G
  • M + 1 letter = N
  • N + 1 letter = O
  • F + 1 letter = G
  • U + 1 letter = V

Therefore, coding $IFMNFU$ using this pattern results in $JGNOGV$.

Conclusion

The word $IFMNFU$ is coded as $JGNOGV$ using the identified +1 letter shift pattern.

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Important Questions from Coding and Decoding By Letter Shifting

  1. In a certain code language, 'MANGOES' is written as 'AEGMNOS'. How will 'FRIEND' be written in that language?

  2. In a certain code language, ‘SPIRIT’ is written as ‘WKMIMG’. How will ‘GLOBAL’ be written in that language?

  3. In a certain code language, ‘ABSTRACT’ is written as ‘IIYYVDEU’. How will ‘INSTINCT’ be written in that language?

  4. In a certain code language, 'LUCKNOW' is written as 'CULKWON' and 'UDAIPUR' is written as 'ADUIRUP'. How will 'GWALIOR' be written in that language?

  5. If in a code language ADVENTURES is coded as VDANEUTSER, then SYSTEMATIC would be coded as:

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