Select the letter cluster from among the given options that can replace the question mark (?) in the following series.

WUW, TSV, QQU, NOT, ?

In the following question, a term of the letter series is missing as shown by a question mark ($?$). Choose the missing term out of the given alternatives.

$CX, FU, IR, ?, OL, RI$

Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.

r r p p s _ p _ s s r _ s s r _ _ p

In the following question, a term of the letter series is missing as shown by a question mark ($?$).Choose the missing term out of the given alternatives.

$LXF, MTJ, NPN, OLR, ?$

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

A, B, D, G, ?

Select the letters that can replace the question marks (?) in the following series respectively.

AG, GL, MQ, S?, ?A

Select the term that will come next in the following series.

EB, HC, KD, NE, QF, ?

Select the term that can replace the question mark (?) in the following series.

BK, FJ, JI, NH, ?, VF

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

FGC, HHA, JIY, ?