If 30% of a number exceeds 20% of it by 24, then the number is:

Correct option is D

Given:
Difference between 30% and 20% of a number = 24
Formula Used:
(% difference) $$\times$$​ Number = Value
Solution:
30% - 20% = 10%.
10% of the number = 24.
Number = $$\frac{24}{10} \times 100$$​ = 240
So the correct answer is (d).