Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
TSF, RPJ, PMN, NJR, ?
1
LGN
2
KGU
3
LGV
4
JFV
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
TSF, RPJ, PMN, NJR, ?