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SSC Sample Paper SSC CGL - Sample Paper-25

  • question_answer
    A man invested Rs. 1000 on a simple interest at a certain rate and Rs. 1500 at 2% higher rate. The total interest in three years in Rs. 390. What is the rate of interest for Rs. 1000?

    A) 4%       

    B) 5%      

    C) 6%                               

    D) 8%

    Correct Answer: A

    Solution :

    Let a man invest Rs. 1000 at a R% By given condition, \[\frac{1000\times R\times 3}{100}+\frac{1500\times (R+2)\times 3}{100}=390\] \[\Rightarrow \]   \[~30R+45R+90=390\] \[\Rightarrow \]   \[75R=300\] \[\Rightarrow \]   \[R=4%\]                      


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