Select the option in which the pair of letter-clusters share the same relationship as that shared by the given letter-clusters.
RN : UQ

RN : UQ

RN ==> (R+3) (N+3) ==> UQ

Option (a) LA : OX

LA ==> (L+3) (A+3) ==> OD

The above given logic is not applicable here. So this is not the correct answer.

Option (b) TG : WL

TG ==> (T+3) (G+3) ==> WJ

The above given logic is not applicable here. So this is not the correct answer.

Option (c) KR : NU

KR ==> (K+3) (R+3) ==> NU

The above given logic is applicable here. So this is the correct answer.

Option (d) PN : SR

PN ==> (P+3) (N+3) ==> SQ

The above given logic is not applicable here. So this is not the correct answer.