7th Class Mathematics Comparing Quantities Question Bank Comparing Quantities

  • question_answer
    On what sum of money lent at 9% per annum for 6 years does the S.I. amount to Rs.810?

    A)  Rs.1000               

    B)         Rs.1500  

    C)  Rs.1200               

    D)         Rs.1600

    Correct Answer: B

    Solution :

     S.I = Rs. 810;  R=97%; \[T=6\] years, \[P=?\] We have \[\Rightarrow \]  \[P=\frac{100\times I}{TR}=\frac{100\times 810}{6\times 9}\]                 \[=Rs.\,\,1500\]


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