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Question

Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which is the letter-cluster that DOES NOT belong to that group?

(Note: The odd man out is not based on the number of consonants/vowels or their position in the letter-cluster.)

This question was previously asked in
SSC CGL 2024 (Tier-I) Previous Year Paper (17-Sep-2024) (Shift 3)
The correct answer is

ACG

The given clusters are: DGK, HKO, ACG, MPT.

If we examine the alphabetical positions of the letters in each cluster:

  • DGK: D (4th), G (7th), K (11th) – The difference between each successive letter is 3.
  • HKO: H (8th), K (11th), O (15th) – The difference between each successive letter is 3.
  • ACG: A (1st), C (3rd), G (7th) – The difference between each successive letter is not consistent (difference of 2 and 4).
  • MPT: M (13th), P (16th), T (20th) – The difference between each successive letter is 3.

Thus, "ACG" does not follow the same pattern as the other clusters, making it the odd one out.

Therefore, the correct answer is option 3.

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Important Questions from Alphabet Series

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    BR __ __ NB __ O __ NB
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    a __ __ dba __ __ bcad __ __ da __ __ cd
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    _ a _ b _ abaa _ bab _ abb
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