What will be the next number in the given series ?
3, 28, 4, 65, 5, 126, 6, ______? 

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

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.
m _ nm _ n _ an _ a _ ma_

In the following questions complete the number series :
204, 100, 48, 22, ___

Find the missing number at the Question mark(?).
5, 7, 11, ?, 35, 67

Find the next number in the given series.

3, 13, 31, ? , 91

In the following series find the missing numbers.
5, 13, 40, 104,?

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