Question

    If 80 litres of milk solution has 60% milk in it, then

    how much milk should be added to make milk 80% in the solution?
    A 70 litres Correct Answer Incorrect Answer
    B 50 litres Correct Answer Incorrect Answer
    C 60 litres Correct Answer Incorrect Answer
    D 20 litres Correct Answer Incorrect Answer

    Solution

    ATQ, Let the quantity of water to be added be x liters. Quantity of milk in the vessel  = (80/100) × (60)  = 48 liters  = 48 = 0.6 × (60 + x) = x = 20  ∴ The required result is 20 liters

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