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 letter-cluster does not belong to that group? (Note: The odd letter-cluster is not based on the number of consonants/vowels or their position in the letter-cluster.)
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. TYU
Logic: 1st letter + 2 = Third letter; Third letter + 3 = Second letter
All the options follow the above-mentioned logic except for TYU.