If 12% of a = 25% of b then a : b is equal to:

Correct option is C

Given:

12% of a is equal to 25% of b.

We need to find the ratio a : b.

Solution:

12% × a = 25% × b

​$$\frac{12a}{100} = \frac{25b}{100}$$​​

12a = 25b

​$$\frac{a}{b} = \frac{25}{12}$$​