By how much is 60% of 40 greater than $$\frac{2}{5}$$ of 55?​

Correct option is B

Given:
60% of 40
​$$\frac 25$$​ of 55
Solution:
​$$60\% \text{ of } 40 = \left( \frac{60}{100} \right) \times 40 = 24\\\frac{2}{5} \text{ of } 55 = \left( \frac{2}{5} \right) \times 55 = 22$$​​
Difference = 24 - 22 = 2
Final Answer: 2