Select the correct Active/Passive form of the given

In the following question, the statement is followed by two conclusions. Which of the two conclusions is/are true?

Select the option that can replace the question mark (?) in the following series.

L34E, O46H, R58K, U70N, ?

Four of the following five figures are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group?

Which one of the following is NOT an element?

Select the option in which the given figure is embedded (rotation is NOT allowed)

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

4, 13, 40, ?, 364, 1093

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

In the following question, select the missing  number of the given series.

108, 129, 104, ?, 100, 137, 96