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 |
Option:
A. 9
B. 13
C. 15
D. 16
Answer: D . 16
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Justification:
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.
