Question

In a 140 litres of mixture of milk and
water, precentage of water is only 30%.
The milkman gave 20 litres of this mixture
to a customer. Then he added equal
quantities of pure milk and water to the
remaining mixture. As a result the
respective ratio of milk and water in the
mixture became 2:1. What was the
quantity of milk added ? (in litres)​

Answer 1

Answer:

the quantity of milk is added 74 litres