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.
7B
5C
6B
3C
9B
19A
15A
17A
?
Answer: D. 16C
In the each column, out of the letters A, B and C, each of these must appear once. Along the diagonals, the sum of two numbers is equal to the third number. .'. The missing number will be (7 + 9) i.e. 16 and the letter will be C. So the answer is 16C.