Each of the following questions has a Magical Tree with Question mark/s. Replace the question mark/s by choosing the correct response from amongst the alternatives given.

Options

A. 20
B. 25
C. 50
D. 75

Answer

C

Explanation

The pattern is as follows: `2^2 +4^2 = 20, 3^2 +9^2 = 90`
Therefore, Missing Number ` = (128 + 32)/(9) = 20`