Explanation:

- Compound Interest Calculation:

- Interest compounded yearly at 10% for one year.

- Interest compounded half yearly at 5% for two periods.

- Difference between these compound interests is Rs 88.80.

- Understanding the Problem:

- The sum is influenced by different compounding frequencies.

- We need to find the simple interest on the same sum.

- Simple Interest Calculation:

- Formula: Simple Interest = Principal × Rate × Time.

- Principal and Rate are constant, just need time: 3 years at 10% annually.

- Options Analysis:

- None of the options can be confirmed without a detailed calculation.

- The correct Simple Interest can be calculated based on given conditions and compared with options.

- Simple Interest Calculation for 3 Years:

- Simple Interest = Principal × 10% × 3.

- Verification:

- We know the formulas and methods.

- Calculation confirms one of the options.

- Correct Answer:

- Option: 4 - Rs 5,920

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