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SSC Sample Paper Mock Test-20 SSC CGL Tear-II Paper-1

  • question_answer
    There are three containers of equal capacity. The ratio of sulphuric acid to water -in the first container is 3 : 2, that in the second container is 7 : 3 and in the third container it is 11 : 4. If all the liquids are mixed together, then the ratio of sulphuric acid to water m the mixture will be

    A) 61 : 29

    B)  61 : 28

    C)  60 : 29

    D)  59 : 29

    Correct Answer: A

    Solution :

    In the new vessel, we have Sulphuric acid \[=\frac{3}{5}+\frac{7}{10}+\frac{11}{15}=\frac{18+21+22}{30}=\frac{61}{30}\] Water \[=\frac{2}{5}+\frac{3}{10}+\frac{4}{15}=\frac{12+9+8}{30}=\frac{29}{30}\] \[\therefore \]Sulphuric acid : Water \[=\frac{61}{30}:\frac{29}{30}=61:29\]


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