DSSSB · Reasoning

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

  1. OQ – ED
  2. MO – CB
  3. CE – SR
  4. DF – TR
Answer and detailed solution are available in the protected study screen.
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