The image contains a set of questions based on compound interest, covering topics such as calculating the amount, interest, principal, rate of interest, and time. Let me know which specific question you'd like help with (e.g., 25A, 27A, 30B, etc.), or if you would like a detailed solution to all questions. For example:

1. Would you like a solution to 25A (finding amount and interest for a deposit of Rs 40,000 for 9 months at 10% compounded quarterly)?
2. Should I explain the method to find the rate of interest for 27A?
3. Need a breakdown of calculating time for question 30A?

Please specify the question number for detailed help! 😊

Meanwhile, here’s a relevant question for you:

1. What is compound interest, and how does it differ from simple interest?
2. What are the benefits of compounding more frequently (e.g., quarterly vs. annually)?
3. How do you derive the formula for compound interest?
4. How does time impact the total compound interest earned?
5. How can you determine the effective annual rate (EAR) if the compounding frequency changes?

Tip: Always verify the compounding period before solving compound interest problems! It directly affects calculations.