Question
A vessel contains milk and water in which 20% is water.
80 litres of mixture was taken out and replaced by water and the ratio becomes 4:5. Find the initial quantity of milk in the vessel?Solution
Milk and water ratio = 4:1 Given, (4x - 64)/(x - 16 + 80) = 4/5 20x - 320 = 4x - 64 + 320 16x = 320 - 64 + 320 x = 36 Initial quantity of milk in the vessel= 144 litres
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