The correct option is C 39
As, we seen their is only two conditions are given 228=12 and 337=16
In this question logic is multiple first two digits and then add with last digit.
In 1 st Conditions 2×2+8=12
In 2 nd conditions 3×3+7=16
Therefore, 569 is 5×6+9=39
So, 39 is correct answer.