Which of the following letter-number cluster will replace the blank ( ___ ) in the given series?
YTW0, ______, UPS1, SNQ0, QLO1, OJM1
1
WRU0
2
WRU1
3
VTU1
4
VRW0
Which of the following letter-number cluster will replace the blank ( ___ ) in the given series?
YTW0, ______, UPS1, SNQ0, QLO1, OJM1