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Question

What comes next?
AF, CH, EJ, ?

This question was previously asked in
SSC CGL 2025 Tier 1 Question Paper (25-Sep-2025) (Shift 3)
The correct answer is
GL

Identifying the Alphabetical Pattern in AF, CH, EJ, ?

To find the next term in the sequence AF, CH, EJ, ?, we need to identify the pattern governing the letters.

Analyzing Letter Positions

Let's examine the position of each letter in the alphabet:

  • AF: A is the 1st letter, F is the 6th letter.
  • CH: C is the 3rd letter, H is the 8th letter.
  • EJ: E is the 5th letter, J is the 10th letter.

Determining the Sequence Logic

We observe two independent patterns:

  1. Pattern for the first letter: The first letters are A (1), C (3), E (5). This is an arithmetic progression where each term increases by 2. The next term would be $5 + 2 = 7$. The 7th letter of the alphabet is G.
  2. Pattern for the second letter: The second letters are F (6), H (8), J (10). This is also an arithmetic progression, increasing by 2 each time. The next term would be $10 + 2 = 12$. The 12th letter of the alphabet is L.

Finding the Next Term

Combining the next first letter (G) and the next second letter (L), the next term in the sequence is GL.

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