नीचे अक्षरों के चार समूह दिए गए हैं, जिनमें से तीन किसी निश्चित तरीके से समान हैं जबकि एक भिन्न है। विषम समूह का चयन करें।

Based on the alphabetical order, 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.)

Which of the following clusters of alphabets does not belong to the group based on a common logical relationship?