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SSC Sample Paper SSC CGL - Sample Paper-7

  • question_answer
    How many mL of water must be added to 48 mL of alcohol to make a solution that contain 25% alcohol?

    A)  48                               

    B)  64

    C)  144                 

    D)  192

    Correct Answer: C

    Solution :

    Let x mL must be added. \[\frac{48}{x+48}=\frac{25}{100}\] \[\Rightarrow \]   \[192=x+48\] \[\Rightarrow \]   \[x=144\]         


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