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SSC Sample Paper SSC CGL - Sample Paper-1

  • question_answer
    If the difference between the simple and compound interess on a sum of money for 2 yr at 4% per annum is Rs. 80, the sum is

    A)  Rs. 5000                      

    B)  Rs. 50000

    C)  Rs. 10000                    

    D)  Rs. 1000

    Correct Answer: B

    Solution :

    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 \[x{{\left( \frac{100}{r} \right)}^{2}}\] Here, \[x=Rs.\,80,\] \[r=40%\] \[\therefore \] Required sum \[=80{{\left( \frac{100}{4} \right)}^{2}}\]                         \[=80\times 25\times 25\]                         \[=Rs.\,50000\]


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