In following alphabet series , one term missing as shown by question mark . Choose missing term from options. - BEH, KNQ, TWZ, ?

B. CFI

In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options. - ?, siy, oeu, kaq, qwm, cri

E. WMC

In following alphabet series , one term missing as shown by question mark . Choose missing term from options. - AZ, GT, MN, ?, YB

C. SH

In following alphabet series , one term missing as shown by question mark . Choose missing term from options. - BF, CH, ?, HO, LT

C. EK

What terms will fill the blank spaces ?
Z, X, V, T, R, (....), (....)

E. P, N