Choose the correct alternatives from given ones that will complete the series.

8, 24, 12, 36, 18, ?

Complete the following number series.
10 , 17, 26, 37, ____

Which group of letters will complete the given letter series by sequentially placing the blank space?
M_OMMN_M_NOMMN_M

In the following question, select the figure from the given alternatives in place of the question mark.

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

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

What number comes next in the series?
1, 2, 3, 5, 8, ___

In this question, a sequence is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
NOA , PQB , RSC ?