Under the Aravalli Green Wall Project, how much degraded

What number should come in the place of question mark?

Select the number which can be placed in the column of question mark sign.

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

6, 31, 126, 381, 766, ?

A series is given with one term missing. Choose the correct alternatives from the given ones that will complete the series.

18, 19, 27, 36, ___, 225

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

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

In the following question, a series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

Find the missing letter.

Select the related number from the given alternatives.

29 : 65 : : 43 : ?

M/14 : O/12 : : U/6 : ?

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