What is the difference between 80% of 30 and 4/5 of 25?

Correct option is A

Given
First value: 80% of 30
​$$Second \ value: \frac{4}{5} of 25$$​​

Solution
Calculation of first value:
​$$\frac{80}{100} \times 30 = 24$$​​

Calculation of second value:
​$$\frac{4}{5} \times 25 = 4 \times 5 = 20$$​​

Difference = 24 - 20 = 4

Final Answer
So the correct answer is (a)