Question

Find Value of ? in the Following Grid

7   3   6   2
2   8   5   4
1   1   2   4
4   2   1   ?

Answer 1

4 is the missing number.
The logic is each column add to 14

Comments

What is the logic ???

Answer 2

Each column sums up to 14.
7+2+1+4 = 14
3+8+1+2 = 14
6+5+2+1 = 14
2+4+4+x=14; hence x=4

Answer 3

When you add the numbers vertically, you get 14 in each column.
So same logic applicable to the last column. 2+4+4+x=14
Therefore, x=4