Which of the following letter-clusters will replace the question mark (?) in the given series to make it logically complete?
DWE, GTH, JQK, MNN, ?
1
NOP
2
PQR
3
OPQ
4
PKQ
Which of the following letter-clusters will replace the question mark (?) in the given series to make it logically complete?
DWE, GTH, JQK, MNN, ?