Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the letter-cluster that is different.
Answer & explanation
Correct answer: option 4
DFBA ⇒ D →(+2)→ F →(-4)→ B →(-1)→A
RTPO ⇒ D →(+2)→ F →(-4)→ B →(-1)→A
LNJI ⇒ L →(+2)→ N →(-4)→ J →(-1)→I
FHDB ⇒ F →(+2)→ H →(-4)→ D →(-2)→B