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    Question

    40 liters of milk are kept in a container. 10 liters

    were removed and replaced with water. This procedure was performed two more times. How much milk does the container now hold?
    A 15.2 liters Correct Answer Incorrect Answer
    B 17.8 liters Correct Answer Incorrect Answer
    C 16.8 liters Correct Answer Incorrect Answer
    D 20.2 liters Correct Answer Incorrect Answer

    Solution

    we know that.  remaining milk in the container = Original amount × [1- amount taken out /original amount] ⁿ = 40[1-10/40] ³ =40[3/4] ³ =40 × 27 /64 =16.8 liters

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