8th Class Mathematics Comparing Quantities Question Bank Comparing Quantities

  • question_answer
    Sam invested Rs. 15000 at 10% per annum for one year. If the interest is compounded half-yearly, then the amount received by Sam at the end of the year will be

    A)  Rs. 16500                  

    B)  Rs. 16525.50

    C)         Rs. 16537.50

    D)         Rs. 18150      

    Correct Answer: C

    Solution :

    \[\text{Principal =Rs}\text{.15000}\] \[\text{Rate=10 }\!\!%\!\!\text{  p}\text{.a}\text{.=5 }\!\!%\!\!\text{  half yearly}\] \[\text{Time=1 year=2 half years}\]\ \[\therefore \] Amount \[\text{=15000}{{\left( \text{1+}\frac{\text{5}}{\text{100}} \right)}^{\text{2}}}\text{=Rs}\text{.16537}\text{.50}\]


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