Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
GRTD, KNXZ, OJBV, SFFR, ?
1
VBKN
2
WBKO
3
WBJN
4
WAJO
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
GRTD, KNXZ, OJBV, SFFR, ?