Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the odd letter cluster.
Answer & explanation
Correct answer: option 4
BGL ⇒ B → (+5) → G → (+5) → L
PUZ ⇒ P → (+5) → U → (+5) → Z
AFK ⇒ A → (+5) → F → (+5) → K
NSW ⇒ N → (+5) → S → (+4) → W (ODD)