Alphabet Series

In the following question, various terms of a letter series are given with one term missing as shown by (?). Choose the missing term out of the given alternatives.
FLP, INS, LPV, ?

In the following question, the various terms of a letter series are given with one term missing as shown by (?). Choose the missing term out of the given alternatives.
AD, EH, IL, ?, QT

In the following question, various terms of a letter series are given with one term missing as shown by (?). Choose the missing term out of the given alternatives.
AZ, GT, MN, ?, YB.

In the following question, various terms of a letter series are given with one term missing as shown by (?). Choose the missing term out of the given alternatives.
AZ, CX, FU, ?

In each of the following questions, various terms of a letter series are given with one term missing as shown by (?). Choose the missing term out of the given alternatives.

A, B, D, G, ?

In each of the following questions, various terms of a letter series are given with one term missing as shown by (?). Choose the missing term out of the given alternatives.

U, O, I, ?, W

In the question given below, a series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

$\mathrm{Y}$, $\mathrm{S}$, $\mathrm{N}$, $\mathrm{J}$, $\mathrm{G}$, ?

In the question given below, a series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

$\mathrm{ASY}$, $\mathrm{BRX}$, $\mathrm{CQW}$, ?

A series is given with one (or more) term missing. Choose the correct alternative from the given ones that will complete the series.

$\mathrm{AEI}$, $\mathrm{BFJ}$, $\mathrm{CGK}$, $?$

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

$\mathrm{D}$, $\mathrm{F}$, $\mathrm{I}$, $\mathrm{M}$,?

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.

$\mathrm{BJ}$, $\mathrm{CL}$, $\mathrm{EN}$, $\mathrm{HP}$, ?

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.

$\mathrm{AC}$, $\mathrm{FH}$, $\mathrm{KM}$, $\mathrm{PR}$, ?