What should come in place of the question mark (?) in the given series based on the English alphabetical order?
LQO, MRP, NSQ, OTR, ?
1
PSU
2
UPS
3
USP
4
PUS
What should come in place of the question mark (?) in the given series based on the English alphabetical order?
LQO, MRP, NSQ, OTR, ?