The complete expense of covering the floor of a chamber

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

From the given question, find which figure comes after the four figures which are in series?

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

Some equations have been solved on the basis of certain system. Find the correct answer for the unsolved equations on that basis:

2 + 5 = 36

7 + 6 = 98

6 + 4 = 62

4 + 9 = ?

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

What should come next 1, 2, 3, 3, 4, 3, 5, ?

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