Multiple Choice Questions on A solution contains 10 of salt by weight On evaporation 15 litre of water evaporates and now concent........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A solution contains 10 of salt by weight On evaporation 15 litre of water evaporates and now concent...........

Quantitative Aptitude ( CCS) Percentage
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    A solution contains 10% of salt by weight. On evaporation 15 litre of water evaporates and now concentration of salt becomes 20 percent. Find the initial quantity of solution

     

    20ltr
     

    Incorrect Answer

    30ltr
     

    Correct Answer

    40ltr
     

    Incorrect Answer

    50ltr

    Incorrect Answer
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    Explanation:

    Let initial quantity is x litre
    final, salt = (x/10)/ (x – 15) = 20/100 = 30ltr

    By: Sandeep Dubey
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