Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
KMC, LOF, MQI, NSL, ?
1
OUO
2
VOU
3
OOU
4
UOW
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
KMC, LOF, MQI, NSL, ?