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Question

Select the letter-cluster from among the given options that can replace the question mark (?) in the following series:
M C K J H N G M Q D R T ?

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

Identifying the Letter Series Pattern

The question presents a series of letter clusters: M C K J H N G M Q D R T ?. We need to find the next cluster replacing the question mark (?).

Observe that the series seems to be composed of three interleaved sequences:

  • Sequence 1 (First letters): M, J, G, D, ...
  • Sequence 2 (Second letters): C, H, M, R, ...
  • Sequence 3 (Third letters): K, N, Q, T, ...

Analyzing Sequence 1

The first letters form the sequence: M, J, G, D.

  • M is the 13th letter.
  • J is the 10th letter.
  • G is the 7th letter.
  • D is the 4th letter.

The pattern is subtracting 3 from the position number each time ($13 \rightarrow 10 \rightarrow 7 \rightarrow 4$).

The next term's position is $4 - 3 = 1$. The 1st letter of the alphabet is A.

Analyzing Sequence 2

The second letters form the sequence: C, H, M, R.

  • C is the 3rd letter.
  • H is the 8th letter.
  • M is the 13th letter.
  • R is the 18th letter.

The pattern is adding 5 to the position number each time ($3 \rightarrow 8 \rightarrow 13 \rightarrow 18$).

The next term's position is $18 + 5 = 23$. The 23rd letter of the alphabet is W.

Analyzing Sequence 3

The third letters form the sequence: K, N, Q, T.

  • K is the 11th letter.
  • N is the 14th letter.
  • Q is the 17th letter.
  • T is the 20th letter.

The pattern is adding 3 to the position number each time ($11 \rightarrow 14 \rightarrow 17 \rightarrow 20$).

The next term's position is $20 + 3 = 23$. The 23rd letter of the alphabet is W.

Determining the Missing Cluster

Combining the next terms from each sequence (A, W, W), the missing letter cluster is AWW.

Therefore, the correct option is AWW.

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Similar Questions

  1. Which of the following alternative will fill the blanks?
    _f_hk_gh_fg_k
  2. In the sequence A, C, F, J..., which letter is the $5^{th}$?
  3. What comes next in the series?
    D, I, N, S, ?
  4. Select the letter-cluster from among the given options that can replace the question mark (?) in the following series:
    ACE, BDF, CEG, ?
  5. What comes next in the series? 

    A, C, F, J, O, ?

  6. What comes next? 

    LM, KN, JO, IP, ?

  7. What comes next in the series?
    A, C, F, J, ?
  8. What comes next?
    AG, BH, CI, ?
  9. Which letter trio does NOT follow the ascending order? ABC, BCD, CDE, DFE, EFG

  10. From the given options, select the group of letters that, when inserted in order from left to right into the blanks of the incomplete series, will logically complete it.

    S__KB_FH_BSF_K_SF__B


Important Questions from Letter Based Series

  1. Select the option that represents the letters that when sequentially placed from left to right in the blanks below will complete the letter series.

    Y _ Y _ _ Y _ T _ Y _ Y

  2. Select the option that represents the letters that when sequentially placed from left to right in the blanks below will complete the letter series.

    Y _ Y _ _ Y _ T _ Y _ Y

  3. Select the triad that follows the same pattern as that followed by the two triads given below. Both triads follow the same pattern. 
    KF-MH-OQ 
    ID-KF-MO

  4. What should come in place of the question mark (?) in the given series based on the English alphabetical order? 
    BIG DKI FMK HOM ?

  5. Observe the following incomplete letter sequence carefully:
    aa_bbc_aa bb_aaac_cc.
    A specific pattern governs the order and repetition of the letters. Choose the option that best fills the blanks (in order) to complete the sequence logically and symmetrically.
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