Multiple Choice Questions on In a mixture of milk and water of volume 30 litre the ratio of milk and water is 7 3 The quantity of........... for CDS Exam Preparation

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Multiple Choice Questions

In a mixture of milk and water of volume 30 litre the ratio of milk and water is 7 3 The quantity of...........

Quantitative Aptitude (CDS) Mixture and Alligation
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    In a mixture of milk and water of volume 30 litre, the ratio of milk and water is 7 : 3. The quantity of water to be added to the mixture to make the ratio of milk and water 1 : 2 is

    30

    Incorrect Answer

    32

    Incorrect Answer

    33

    Correct Answer

    35

    Incorrect Answer
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    Explanation:

    Amount of milk in the mixture =7/10×30=21L

    Amount of water in the mixture=3/10×30=9L

    Let the amount of water added in the mixture be x L.
    ∴21:(9+x)=1:2
    ⇒21/(9+x)=1/2
    ⇒9+x=42⇒x=33L

    By: Munesh Kumari
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