If x : y = 5 : 2, then (8x + 9y) : (8x + 2y) is :

Answer: Option C

$$\frac{\text{x}}{\text{y}}=\frac{5}{2}$$
Means x = 5, y = 2
Putting value of x and y in expression
8 × 5 + 9 × 2 = 58
8 × 5 + 2 × 2 = 44
58 : 44 = 29 : 22