In the following question, a matrix of certain characters is given. These characters follow a certain trend, row-wise or column-wise. Find out this trend and choose the missing character accordingly.
11
6
8
17
12
?
25
34
19
19
28
11
Answer: D. 16
In the first column, 17 - 11 = 25 - 19 = 6. In the second column, 12 - 6 = 34 - 28 = 6. Let the missing number in the third column be y. Then, y - 8 = 19 - 11 = 8 or y = 16.