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 ?

A. 10C
B. 12C
C. 14B
D. 16C
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.