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Question

What should come in place of the question mark (?) in the given series based on the English alphabetical order?
 

GKB IMF KOJ MQN ?

This question was previously asked in
RRB ALP 2025 CBT 2 Wiremen Question Paper (28-Jul-2026) (Shift 2)
The correct answer is
OSR

Solving the Alphabetical Series: GKB IMF KOJ MQN ?

The question presents an alphabetical series where each term consists of three letters. We need to find the pattern governing each letter's position within the terms to determine the missing term.

Identifying the Series Pattern

Let's break down the series into three separate sequences based on the position of the letters:

  • First Letters: G, I, K, M, ?
  • Second Letters: K, M, O, Q, ?
  • Third Letters: B, F, J, N, ?

First Letter Progression

The sequence of the first letters follows a simple pattern:

  • G (+2 letters) = I
  • I (+2 letters) = K
  • K (+2 letters) = M
  • Therefore, the next letter is M (+2 letters) = O

Second Letter Progression

The sequence of the second letters also follows a consistent pattern:

  • K (+2 letters) = M
  • M (+2 letters) = O
  • O (+2 letters) = Q
  • Therefore, the next letter is Q (+2 letters) = S

Third Letter Progression

The sequence of the third letters shows a different increment:

  • B (+4 letters) = F
  • F (+4 letters) = J
  • J (+4 letters) = N
  • Therefore, the next letter is N (+4 letters) = R

Determining the Missing Term

By combining the next letter from each sequence (O, S, R), we find the missing term in the series.

  • First letter: O
  • Second letter: S
  • Third letter: R

Thus, the term that should come in place of the question mark (?) is OSR.

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Important Questions from Alphabet Series

  1. Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.

    G _ C T _ X _ T G X _ T _ X C T G _ C T

  2. Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.

    Q _ P _ M _ A _ T _ Q A _ T M

  3. Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.

    r _ x l _ q _ _ x _ p q _ e _ l p _

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

    BKR, DNV, FQZ, ?, JWH

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

    AU, BO, CI, DE, ?

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