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  3. 8th Class
  4. Mathematics
  5. Introduction to Graphs

8th Class Mathematics Introduction to Graphs Question Bank Introduction to Graphs

  • question_answer
    Direction: The bar graph shows the foreign exchange reserves of a country (in million US\[S|\]) from 2000 - 01 to 2007 - 08. Answer the questions based on the graph. What was the percentage increase in the foreign exchange reserves in 2006-2007 over 2002-2003?

    A)  \[100%\]            

    B)         \[150%\]

    C)                         \[200%\]            

    D)         \[620%\]                            

    Correct Answer: A

    Solution :

    Foreign exchange reserves in \[2006-2007=5040\]millions Foreign exchange reserves in \[2002-2003=2520\] millions \[\therefore \]  Increase \[=(5040-2520)\] \[=2520\]millions \[\therefore \] Percentage increase                 \[=\left( \frac{2520}{2520}\times 100 \right)%=100%\]


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