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.
| 3 | 6 | 8 |
| 5 | 8 | 4 |
| 4 | 7 | ? |
Option:
A. 6
B. 7
C. 8
D. 9
Answer: A . 6
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Justification:
Clearly, sum of numbers in each row is 17.
So, missing number = 17 - ( 4 + 7 ) = 6.
