What is the percentage form of the ratio 1 : 8?

Correct option is A

Solution:
​$$\text{Ratio} = \frac{1}{8}$$​​
Multiply the fraction by 100 to convert it to a percentage.
​$$\frac{1}{8} \times 100 = 12.5 \%$$​​
Thus, the percentage form of the ratio 1:8 is 12.5%.