Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
FRN, GTQ, HVT, IXW, ?, KBC
1
JZZ
2
KZB
3
JZA
4
JYZ
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
FRN, GTQ, HVT, IXW, ?, KBC