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.

3C 27D 9E
7I 21K 3M
4D ? 7J

A. 11E
B. 28G
C. 35I
D. 45F
Answer: B . 28G


The letter in the first row form a series C, D, E (a series of consecutive letters).
The letters in the second row from a series I, K, M (a series of alternate letters).
Similarly, the letters in the third row will form the series D, G, J (a series in which each letter is three steps ahead of the previous one).
So, the missing letter is G.
Also, the number in the second column is equal to the product of the numbers in the first and third columns.
So, missing number is (4 x 7) i.e. 28.
Thus, the answer is 28G.