How many liters of oil at Rs.40 per liter should be mixed with 240 liters of a second variety of oil at Rs.60 per liter so as to get a mixture whose cost is Rs.52 per liter?
Q1. How many liters of oil at Rs.40 per liter should be mixed with 240 liters of a second variety of oil at Rs.60 per liter so as to get a mixture whose cost is Rs.52 per liter?
Answer: 160 liters
Explanation: By alligation: (60−52):(52−40) = 8:12 = 2:3; for 240 litres at Rs. 60, quantity at Rs. 40 = 240×(2/3) = 160 litres.