Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
QCOZ, TZRW, WWUT, ZTXQ, ?
1
WWUT
2
CWAT
3
WQUN
4
CQAN
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
QCOZ, TZRW, WWUT, ZTXQ, ?