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1. Study the following graph carefully to answer the questions that follow:
Monthly income (Rs. in thousands) of three different persons in six different years

Monthly income of Suman in the year 2009 was approximately what percentage of the monthly income of Jyoti in the year 2010 ?

A. 72%

B. 89%

C. 83%

D. 67%

Solution:

Monthly income of Suman in year 2009 = Rs. 29000
Monthly income of Jyoti in year 2010 = Rs. 35000

\begin{aligned} = \frac{29000}{35000} \times 100 \\ = 82.85 \\ \approx 83 % \end{aligned}

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