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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-3

  • question_answer
    The ratio of the volumes of water and glycerine in 240cc of a mixture is\[1:3\]. The quantity of water (in cc) that should be added to the mixture so that the new ratio of the volumes of water and glycerine becomes \[2:3\] is

    A)  55                               

    B)  60  

    C)  62.5                

    D)         64

    Correct Answer: B

    Solution :

     In the original mixture, water\[=60\,\,cc\] Glycerine\[=180\,\,cc\] Let \[x\,\,cc\] of water be mixed. \[\therefore \]      \[\frac{60+x}{180}=\frac{2}{3}\] \[\Rightarrow \]   \[180+3x=360\] \[\Rightarrow \]   \[3x=360-180=180\] \[\therefore \]      \[x=\frac{180}{3}=60\,\,cc\]


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