What is the chemical name of insecticide having trade

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

Select the correct option from the given options that can make a full square. (3 of the 5 images are given below)

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

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

Find the question mark ? figure from answer figure.

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

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