Multiple Choice Questions on A mixture of 40 litres of milk and water contains 10 water How much water should be added to this so........... for Civil Services Exam (CSAT) Preparation

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Multiple Choice Questions

A mixture of 40 litres of milk and water contains 10 water How much water should be added to this so...........

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    A mixture of 40 litres of milk and water contains 10% water. How much water should be added to this so that water may be 20% in the new mixture?

    4 litres

    Incorrect Answer

    5 litres

    Correct Answer

    6 litres

    Incorrect Answer

    7 litres

    Incorrect Answer
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    Explanation:

    x=total volume of final solution.
    So water present in it will be x-36
    Thus x-36=20% of x
    x-36=0.2x
    0.8x=36
    x=45
    Difference= 45-40=5L

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