Which letter-cluster will replace the question mark (?) to complete the given series?
ZYXV, UTSQ, PONL, KJIG, ?
1
FDCB
2
FEDB
3
FEDC
4
FDBA
Which letter-cluster will replace the question mark (?) to complete the given series?
ZYXV, UTSQ, PONL, KJIG, ?