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.
| 28 | 20 | 7 |
| 84 | 35 | 12 |
| 45 | ? | 9 |
Option:
A. 15
B. 18
C. 20
D. 25
Answer: D . 25
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Justification:
In the first row, (28/7) x 5 = 20.
In the second row, (84/12) x 5 = 35.
.'. In the third row, missing number = (45/9) x 5 = 5 x 5 = 25.
