Four pairs of letter-cluster have been given out of which three are alike in some manner, while one is different. Choose the odd one.
Answer & explanation
Correct answer: option 4
Option 1: PQR ⇒ PRQ
Option 2: FGH ⇒ FHG
Option 3: WXY⇒ WYX
Option 4: KLM ⇒ KMN
Therefore, option (4) is correct option.