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SSC Sample Paper SSC CGL - Sample Paper-27

  • question_answer
    A sum of money becomes \[\frac{41}{40}\] of itself in \[\frac{1}{4}\] year at a certain rate of simple interest. The rate of interest per annum is

    A) 10%                 

    B) 1%

    C) 2.5%                

    D) 5%

    Correct Answer: A

    Solution :

    Let the sum \[=Rs.\,P\] \[\therefore \]      Amount \[=Rs.\frac{41P}{40}\] \[\Rightarrow \]   \[SI=Rs.\frac{P}{40}\] \[\therefore \]      \[\frac{P}{40}=\frac{P\times 1\times r}{100\times 4}\] \[\Rightarrow \]   \[r=\frac{400}{40}=10\]           


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