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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.

72 24 6
96 16 12
108 ? 18

Option:
A. 12
B. 16
C. 18
D. 20
Answer: A . 12

Justification:

In the first row, 72 ÷ (24/2) = 72 ÷ 12 = 6.
In the second row, 96 ÷ (16/2) = 96 ÷ 8 = 12.
Let the missing number in the third row be y.
Then, 108 ÷ (y/2) = 18  or  y/2108/18 = 6  or  y = 12.

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