Question
A container contains 25 liters of milk. From this
container, 5 liters of milk is taken out and replaced by water. This process is repeated two times. How much milk is there in the container now?Solution
remaining milk in the container = Original amount × [1- amount taken out /original amount] ⁿ = 25 × [1-5/25] ³ =25 × [4/5] ³ =25 × 64/125 =64/5 =12.8 liters
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