At what rate percent per annum will a sum of Rs 4000 yield compound interest of Rs 410 in 2 years?

Explanation

To find the rate percent per annum at which a sum of Rs 4000 yields a compound interest of Rs 410 in 2 years, we can follow these steps:

### Step 1: Identify the given values
- Principal (P) = Rs 4000
- Compound Interest (CI) = Rs 410
- Time (n) = 2 years

### Step 2: Calculate the total amount (A)
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