Question
A container contains 40 litres of milk. From this
container, 4 litres of milk were taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container?Solution
By using the above formula, the quantity of pure milk in the final mixture ⇒ 40 × [1 - (4/40)]3 ⇒ 40 × [1 - (1/10)]3 ⇒ 40 × (729/1000) = 29.16 ∴ The quantity of water in the final mixture is 29.16 litres.
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