The simple interest on Rs. 1820 from 9 October 2003 to 21 December 2003 at `7 (1)/(2)%` will be

Options

A. a) Rs 22.50
B. b) Rs 45.87
C. c) Rs 27.30
D. d) Rs 28.80

Answer

To solve the problem of calculating the simple interest on Rs. 1820 from 9 October 2003 to 21 December 2003 at a rate of 7.5%, we can follow these steps:

### Step 1: Identify the Principal (P), Rate (R), and Time (T)
- **Principal (P)** = Rs. 1820
- **Rate (R)** = 7.5% = \( \frac{15}{2} \)%
- **Time (T)** = From 9 October 2003 to 21 December 2003