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.
P
T
?
O
Q
S
M
N
R
Answer: D. U
Starting from M, all the consecutive letters appear in the given matrix, Also, statrting from M, one can reach U \, without lifting the pen even once.