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Question

In a certain language, COMPUTER is coded as OCPMTURE. How is KEYBOARD coded in that code?

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

EKBYAODR

The trick in this coding is to look at what happens to small groups of letters rather than the whole word at once. Break the word into consecutive pairs and study each pair on its own.

COMPUTER splits into the pairs CO, MP, UT, ER. Now compare this with the given code OCPMTURE.

Swapping the two letters inside each pair turns CO into OC, MP into PM, UT into TU and ER into RE. Joined together these give OCPMTURE, exactly the code supplied, which confirms the rule.

So the rule is: keep the pairs in the same left-to-right order, but reverse the two letters within every pair.

Apply the same rule to KEYBOARD. Split it into pairs: KE, YB, OA, RD.

Reversing each pair gives EK, BY, AO, DR, and writing them in order produces EKBYAODR.

Hence KEYBOARD is coded as EKBYAODR.

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Important Questions from Coding Letters of a Word

  1. If JACKAL is coded as 11-2-4-12-2-13, then what is the code for TIGER?

  2. If TEACHER is coded as CAHEETR and STUDENT is coded as DUETNST, then what is the code for SUCCESS?

  3. If SEAT is coded as 4321 and STORM is coded as 41675, then MASTER would be coded as:

  4. FIRE is coded as 3542 and SOAP is coded as 1768, then PREPARE would be coded as

  5. In a certain code language, ‘HAPPY’ is written as ‘JCRRA’ and ‘MAGIC’ is written as ‘OCIKE’. How will ‘LEVEL’ be written in that language?

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