Find the missing number

Choose the number missing in the third cross:

From the given options, find the number that comes in place of the question mark.

Find the missing numbers from given figure?

Find the missing number from the given responses.
72        44        68
91         ?         86
43        66        37 

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

In the following question, select the number which can be placed at the sign of question mark(?) from the given alternatives.

Find the missing number in the following image.