Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the one that is different.
Note : The odd one out is not based on the number of consonants/vowels or their position in the letter cluster
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. ONM.
Logic: 1st letter + 1 = 2nd letter, 2nd letter + 1 = 3rd letter
All follow the above-mentioned logic except for ONM.