Three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which is the letter-cluster pair that does NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their positions in the letter-cluster.)

Options

  1. (1) EJ - OT
  2. (2) PF - OI
  3. (3) KP - UZ
  4. (4) CH - MR

Correct Answer

(2) PF - OI

Explanation

In options 1, 3, and 4, the pattern follows a consistent gap, while option 2 does not.


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