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.
1
3
7
5
12
14
25
?
28
125
192
56
Answer: C. 48
The sequence in first column is x 5. Thus, 1 x 5 = 5, 5 x 5 = 25, 25 x 5 = 125. The sequence in third column is x 2. Thus, 7x 2 = 14, 14 x 2 = 28, 28 x 2 = 56. The sequence in second column is x 4. .'. Missin number = 12 x 4 = 48.