Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
SRQ, PON, ?, JIH, GFE
1
MLK
2
LKM
3
KLM
4
MKL
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
SRQ, PON, ?, JIH, GFE