Find the compound interest on Rs 320000 for one year at the rate of 20% per annum, if the interest is compounded quarterly.

Explanation

To find the compound interest on Rs 320,000 for one year at the rate of 20% per annum, compounded quarterly, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Principal (P)**:
- The principal amount (P) is given as Rs 320,000.

2. **Determine the Rate of Interest (R)**:
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