What will come in the place of question mark?
23, 93, 373, 1493, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
?, Vice President, Prime Minister, Deputy Prime Minister 

Select the term that will come next in the following series.
OBE, PDH, QFK, RHN, ?

Select the terms that will replace the ? in the following series.

Z, X, V, ?, R, P, ?

Select the shape that will follow in the following series.

In the following options, select the number which will replace the question mark in the following series.
4, 2, 2, 3 , 6,?

Select the term that will complete the following letter series.
QN, RP, TS, WW, ___ FH

Select the combination of letters that when sequentially placed in the gaps of the given letters series will complete the series.
H _ _ EPCK _ _ CDEP _ KFHC _ EPC _ F