Select the option that is related to the third Letter Cluster in the same way as the second Letter Cluster is related to the first Letter Cluster.

ROLF : VTRM :: NODP : ?

RTJW

Pattern followed is :

ROLF : VTRM

R + 4 = V , O + 5 = T , L + 6 = R , F + 7 = M

Similarly ,

NODP : ?

N + 4 = R , O + 5 = T , D + 6 = J , P + 7 = W

RTJW , is correct answer .