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.
42
44
38
23
55
28
37
?
39
Answer: A. 22
In the first row, (42 - 38) x 11 = 44. In the second row, (28 - 23) x 11 = 55. .'. In the third row, missing number = (39 - 37) x 11 = 2 x 11 = 22.