Multiple Choice Questions on 25 litre of solution contains alcohol and water in the ratio 2 3 How much alcohol must be added to t........... for RBI Grade B Exam Preparation

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Multiple Choice Questions

25 litre of solution contains alcohol and water in the ratio 2 3 How much alcohol must be added to t...........

Quantitative Aptitude (RBI Grade B) Percentage
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    25 litre of solution contains alcohol and water in the ratio 2:3. How much alcohol must be added to the solution to make a solution containing 60% of alcohol ?

     

    10.5 ltr
     

    Incorrect Answer

    11.5 ltr
     

    Incorrect Answer

    12.5 ltr
     

    Correct Answer

    13.5 ltr

    Incorrect Answer
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    Explanation:

    Initially alcohol 2/5 * 25 = 10 ltr and water is 15 ltr.
    To make a solution of 60% alcohol (10+x)/25+x = 60/100. X = 12.5

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