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Question

Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.

PRT, OQS, NPR, ?

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

MOQ

Each letter in successive clusters shifts by −1 in the alphabet:

P → O → N → M

R → Q → P → O

T → S → R → Q

Hence the missing cluster is MOQ.

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Similar Questions

  1. Select the related word/letters/numbers from the given alternatives:
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Important Questions from Letter Based Series

  1. Select the related word/letters/numbers from the given alternatives:
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  4. For the following questions, find the odd word/letters/number from the given alternatives:

  5. For the following questions, find the odd word/letters/number from the given alternatives:

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