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    Question

    Quantity of milk is 20% more than that of water in 220

    litres mixture (milk + water). If 22 litres milk is added, then find the quantity of milk in the resultant mixture now.
    A 140 litres Correct Answer Incorrect Answer
    B 142 litres Correct Answer Incorrect Answer
    C 144 litres Correct Answer Incorrect Answer
    D 138 litres Correct Answer Incorrect Answer
    E 136 litres Correct Answer Incorrect Answer

    Solution

    Let the initial quantity of water be 'y' litres.
    Initial quantity of milk = '1.20y' litres
    So, y + 1.20y = 220
    Or, 2.20y = 220
    Or, 'y' = 100 litres
    Initial quantity of milk = 1.20 × 100 = 120 litres
    Therefore, final quantity of milk = 120 + 22 = 142 litres

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