The difference between the compound interest and simple interest on a certain sum for 2 years at 7.5% per annum is Rs 360. Find the sum. ​

Explanation

To find the sum (principal amount) based on the given information about the difference between compound interest (CI) and simple interest (SI) over 2 years at a rate of 7.5%, we can follow these steps:

### Step 1: Understand the formulas
- **Simple Interest (SI)** for 2 years is given by the formula:
\[ SI = \frac{P \times R \times T}{100} \]
where \( P \) is the principal, \( R \) is the rate (7.5%), and \( T \) is the time (2 years).
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