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

  • question_answer
    The simple interest on a sum of money is \[\frac{1}{9}\] of the principal and the number of years is equal to the rate percent per annum. The rate percent per annum is:

    A) \[\frac{100}{9}%\]                    

    B) \[\frac{10}{3}%\]  

    C) \[\frac{5}{3}%\]            

    D)         None of these

    Correct Answer: B

    Solution :

     Let Principal \[=Rs.\,\,x\]and rate\[=r%\]. Then interest             \[=\frac{1}{9}x\]and no. of years             \[=r\therefore \frac{x}{9}=\frac{x\times r\times r}{100}\] \[\therefore \]      \[{{r}^{2}}=\frac{100}{9}\Rightarrow r=\frac{10}{3}\]


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