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SSC Sample Paper Mock Test-18 SSC CGL Tear-II Paper-1

  • question_answer
    The difference between simple and compound interests on a sum of money at 4% per annum of 2 yr is Rs. 8. The sum is

    A) Rs. 400

    B)  Rs. 800

    C)  Rs. 4000

    D)  Rs. 5000

    Correct Answer: D

    Solution :

    Let the sum be Rs. x When difference between the compound interest and simple interest on a certain sum of money for 2 yr at r% rate is Rs. x, then the sum is given by Sum = Difference \[\times \]\[{{\left( \frac{\text{100}}{\text{Rate}} \right)}^{2}}\] = Rs. \[8\times {{\left( \frac{100}{2} \right)}^{2}}\] = Rs. \[(45+46+47+...+113+114+115)=?\]= Rs. 5000


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