Which letter - cluster will replace the question mark (?) to complete the given series?
DFGI, JLMO, PRSU, VXYA, ?
1
BCDE
2
BDEF
3
BCFG
4
BDEG
Which letter - cluster will replace the question mark (?) to complete the given series?
DFGI, JLMO, PRSU, VXYA, ?