Which of the following letter-clusters will replace the question mark (?) in the given series to make it logically complete?
XUR, WTQ, VSP, URO, ?
1
TRP
2
TQN
3
SQO
4
SPM
Which of the following letter-clusters will replace the question mark (?) in the given series to make it logically complete?
XUR, WTQ, VSP, URO, ?