Question

A shop sells 30 kg of rice at Rs. 40 per kg and 20 kg at Rs. 55 per kg. Find the average price per kg.

Solution

1. Total cost = (30 x 40) + (20 x 55) = 1,200 + 1,100 = Rs. 2,300.
2. Total quantity = 30 + 20 = 50 kg.
3. Average price = 2,300 / 50 = Rs. 46 per kg.