The simple interest on Rs 10 for 4 months @3 paisa per rupee per mont…

Given:

• Principal $P =$ ₹10
• Rate = 3 paisa per rupee per month = 3% per month
• Time = 4 months

Simple Interest:

$SI = \frac{P \times R \times T}{100}$

$= \frac{10 \times 3 \times 4}{100} = \frac{120}{100} = \text{₹}1.20$