Explanation:

- The cost ratio of apples, bananas, and oranges is 2:3:5.

- Their selling price profit percentages are 20%, 25%, and 30%, respectively.

- The selling ratio of the apples, bananas, and oranges is 5:4:2.

To calculate the overall profit percentage:

1. Calculate weighted cost based on cost ratio: $2x,3x,5x$.

2. With profit percentages, selling costs are $1.2\times 2x=2.4x$, $1.25\times 3x=3.75x$, $1.3\times 5x=6.5x$.

3. Weighted selling based on selling ratio: $5\times 2.4x,4\times 3.75x,2\times 6.5x$.

4. Calculate profit: selling total - cost total; simplify using common $x$.

5. Overall profit percentage is approximately 25%.

- The correct option is Option: 4 - 25%.