Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster. ROBY : TJDT :: GAIN : ?
IVKI
Apply +2, −5, +2, −5, wrapping around the alphabet. ROBY → TJDT. Similarly GAIN → IVKI.
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.)