SNAP Number in Grid questions

Find the missing number (?)

Find the missing number (?)

choose the correct answer for figure 2

choose the correct answer for figure 1

What number should replace the question mark?

There are two similar figures below with some numbers. The left one is complete where as one number is missing in the right one. Find a suitable number to fill in place of the question mark.

Find the missing numbers in the following set

In this question insert the missing number at the sign of interrogation.

It is possible to arrange eight of nine numbers 2,3,4,5,7,10,11,12,13 in the vacant squares of the 3 by 4 array shown below so that the arithmetic average of the numbers in each row and column is the same integer.

Which one of the nine numbers must be left out when completing the array?