Approximately what percentage of 7/100 is 1/20?

Correct option is A

Formula used:

$$\text{Percentage} = \left( \frac{\text{Part}}{\text{Whole}} \right) \times 100$$

​Solution:

First, divide $$\frac{1}{20}$$​ by $$\frac{7}{100}$$;

$$\text{Percentage} = \left( \frac{\frac{1}{20}}{\frac{7}{100}} \right) \times 100$$

Percentage = $$\frac{1}{20} \times \frac{100}{7}\times 100$$​

Percentage = $$\frac{500}{7}$$​

Percentage = 71.43

So, The percentage is approximately 71.43.

Thus, the correct answer is (a).