Find the rate percent per annum, if Rs 2000 amount to Rs 2315.25 in an year and a half, interest being compounded six monthly.

Explanation

To find the rate percent per annum when Rs 2000 amounts to Rs 2315.25 in a year and a half with interest compounded semi-annually, we can follow these steps:

### Step 1: Identify the given values
- Principal (P) = Rs 2000
- Amount (A) = Rs 2315.25
- Time (T) = 1.5 years = 18 months

### Step 2: Determine the number of compounding periods
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