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

A letter series is given below in which some letter are missing. Select the  option that gives the letters that can fill these blanks in that order.
a_ca_bab_ad_abc_db

From the given options, select the shape which will come at the next position in the following series.

Pick an odd number in the given number series?

4 12 38 87 198

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

380, 645, 557, 656, 762, 875, ?

In the following question, select the missing number from the given series.
1, 7, 3, 9, 6, 12, 10, 16, 15, ?

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