Which of the following letter-clusters will replace the question mark (?) and complete the following letter-cluster series?
HSU, JQO, LOI, NME, ?
1
PLA
2
PKB
3
OKA
4
PKA
Which of the following letter-clusters will replace the question mark (?) and complete the following letter-cluster series?
HSU, JQO, LOI, NME, ?