What should come in place of the question mark (?) in the given series based on the English alphabetical order ?
CEH, FHK, IKN, LNQ, ?
1
OQS
2
PQS
3
OQT
4
PQT
What should come in place of the question mark (?) in the given series based on the English alphabetical order ?
CEH, FHK, IKN, LNQ, ?