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SSC Sample Paper SSC CGL - Sample Paper-23

  • question_answer
    Water contains \[14\frac{2}{7}%\] of hydrogen and the rest is oxygen. In 350 g of water oxygen will be

    A) 300 g   

    B) 250 g

    C) 200 g               

    D) None of these

    Correct Answer: A

    Solution :

    Percentage of oxygen in water \[=100-14\frac{2}{7}=85\frac{5}{7}%\] Percentage of water in 350 g of water \[=85\frac{5}{7}%\,\,of\,\,350\]             \[=\frac{600}{7}\times \frac{350}{100}\]             \[=300\,g\]        


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