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What was the percentage increase in the monthly income of Jyoti...

This question belongs to Data Interpretation Bar Chart
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Directions (1 - 5): Study the following graph carefully to answer the questions that follow:
Monthly income (Rs. in thousands) of three different persons in six different years
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What was the percentage increase in the monthly income of Jyoti in the year 2008 as compared to previous year ?

Answer & Solution
Correct Answer: Option A
Jyoti's income in 2008 = Rs. 27000
Jyoti's income in 2007 = Rs. 18000
∴ Increase percentage
$$\eqalign{ & = \frac{2700-1800}{18000}\times100 \cr & = \frac{9000}{18000}\times100 \cr & = 50\% \cr} $$
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