Four letter-clusters have been given in the options, out of which three are alike in some manner and one is different. Select the letter-cluster that is different.

JNRV FKOR RWAD LQUX

JNRV

THE LOGIC; 1) JNRV, J → (+4) → N → (+4) → R → (+4) → V 2) FKOR, F → (+5) → K → (+4) → O → (+3) → R 3) RWAD, R → (+5) → W → (+4) → A → (+3) → D 4) LQUX, L → (+5) → Q → (+4) → U → (+3) → X Thus, JNRV is the odd one.