If Manohar pays an interest of `"Rs." 750` for `2` years on a sum of `"Rs. 4,500"`, find the rate of interest.

Explanation

To find the rate of interest that Manohar is paying on a sum of ₹4,500 over 2 years with an interest of ₹750, we can use the formula for calculating simple interest:

### Step-by-Step Solution:

1. **Identify the variables:**
- Principal (P) = ₹4,500
- Interest (I) = ₹750
- Time (T) = 2 years
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