Multiple Choice Questions on The diluted wine contains only 8 liters of wine and the rest is water A new mixture whose concentrat........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The diluted wine contains only 8 liters of wine and the rest is water A new mixture whose concentrat...........

Quantitative Aptitude ( CCS) Mixture and Alligation
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    The diluted wine contains only 8 liters of wine and the rest is water. A new mixture whose concentration is 30%, is to be  formed by replacing wine. How many liters of mixture shall be replaced with pure wine if there was initially 32 liters of water in the mixture ?

    4

    Incorrect Answer

    5

    Correct Answer

    6

    Incorrect Answer

    7

    Incorrect Answer
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    Explanation:

              Wine                         Water

                8L                              32L

                1                :               4

               20 %                           80% (original ratio)

               30 %                           70% (required ratio)

    In  ths case, the percentage of water being reduced when the mixture is being replaced with wine.

    so the ratio of left quantity to the initial quantity is 7:8

    Therefore , 7/8=[1−K/40]

    = K = 5 Ltrs

    Hence, option 2 is the correct answer.

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