Which letter - cluster will replace the question mark ( ? ) to complete the given series?
MDSA, KERC, ?, GGPG, EHOI
1
IFQE
2
IFQG
3
IEQF
4
IQFE
Which letter - cluster will replace the question mark ( ? ) to complete the given series?
MDSA, KERC, ?, GGPG, EHOI