In the following question, a matrix of certain number is given. These numbers follow a certain trend, row-wise or column-wise. Find out this trend and choose the missing character accordingly.
2 2 256
3 2 ?
4 2 46656

Answer: B. 3125

In the first column,  (2 + 2)(2 + 2) = 44 = 256.
In the third column, (4 + 2)(4 + 2) = 6= 46656.
.'. In the second column, missing number = (3 + 2)(3 + 2) = 5= 3125.