In a mixture of 60 litres, the ratio of milk and water is 2 : 1. What will be the quantity of water added in mixture, so that new ratio of milk and water becomes 4 : 5?
A20 litres
B30 litres
C40 litres
D60 litres
In a mixture of 60 litres, the ratio of milk and water is 2 : 1. What will be the quantity of water added in mixture, so that new ratio of milk and water becomes 4 : 5?
A20 litres
B30 litres
C40 litres
D60 litres