What is the main component of natural

Select the number that will replace the question mark (?) in the following series.

35, 38, 43, 50, 61, 74, ?

Select the number from among the given option that can replace the question mark (?) in the following series.

11, 18, 30, 52, 94, ?

Find the missing number. 

Study the given pattern carefully and select the number that can replace the question mark [?] in it.

First row: 6, 5, 191

Find the missing number by analysing the pattern followed by the numbers in each row.

Select the related number from the given alternatives.

29 : 65 : : 43 : ?

What will come in the place of question mark?

E/M ∶ 20/156: : G/O: ?

C/JQ : B/GT : : Z/CX : ?