Which letter-cluster will replace the question mark (?) to complete the given series?
VQSN, ?, ROOL, PNMK, NMKJ
1
PQMN
2
TPQM
3
PTMQ
4
TQRN
Which letter-cluster will replace the question mark (?) to complete the given series?
VQSN, ?, ROOL, PNMK, NMKJ