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      Question

      A vessel contains 40 liters of milk. 8 liters of milk is

      removed and replaced by water. This process is repeated once more. Find final quantity of milk.
      A 19 liters Correct Answer Incorrect Answer
      B 10 liters Correct Answer Incorrect Answer
      C 45.9 liters Correct Answer Incorrect Answer
      D 25.6 liters Correct Answer Incorrect Answer

      Solution

      ATQ,

      Milk left after one replacement = 40 Γ— (32/40) = 32 After second replacement: 32 Γ— (32/40) = 25.6 Answer: 25.6 liters

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