1)

A) 16,8

B) 25,5

C) 36,4

D) 49,7

**Answer:**

Option A**Explanation:**

Let x represent a number in the second row. Then, the corresponding number in the first row is represented by x^{2} and that in the third row by 2x.So, missing number in the first row = 4^{2} = 16

And, missing number in the third row = 2 x 4 = 8.