2. Questions Bank
  3. 8th Class
  4. Mathematics
  5. Comparing Quantities

8th Class Mathematics Comparing Quantities Question Bank Comparing Quantities

  • question_answer
    What will be the difference between simple and compound interests at the rate of 10% per annum on a sum of \[Rs.1000\]after 4 years?

    A)  \[Rs.31\]                            

    B)                         \[Rs.32.10\]

    C)                         \[Rs.40.40\]                      

    D)                         \[Rs.64.10\]

    Correct Answer: D

    Solution :

    S.I. \[=Rs.\,\left( \frac{1000\times 10\times 4}{100} \right)=Rs.\,400\] C.I. \[=Rs.\,\left[ 1000\times {{\left( 1+\frac{10}{100} \right)}^{4}}-1000 \right]\] \[=Rs.\,64.10\]


You need to login to perform this action.
You will be redirected in 3 sec spinner