Explanation:

- The price of the first variety of tea is Rs300 per kg, and the second variety is Rs375 per kg.

- The teas are mixed in a 3:2 ratio.

- To find the price per kg of the mixture, use the weighted average formula:

$$

\text{Price of mixture} = \frac{(3 \times 300) + (2 \times 375)}{3 + 2}

$$

- Calculation:

$$

\text{Price of mixture} = \frac{(900) + (750)}{5} = \frac{1650}{5} = 330

$$

- Option 1: Rs340 – Incorrect, as this is higher than the calculated price.

- Option 2: Rs330 – Correct, matches the calculated price.

- Option 3: Rs350 – Incorrect, because the mixture costs less.

- Option 4: Rs360 – Incorrect, this is too high for the mixture.