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1. The following is a multiple bar chart showing men's and women's average daily earnings in certain industries. Study the chart and answer the questions given below.

In which year is the percentage increase in the average daily earnings of men over the preceding year, the maximum ?

A. 2001

B. 2002

C. 2003

D. 2004

Solution:

\begin{aligned} % increase in 2004, \\ = \frac{66.90 - 59.50}{59.50} \times 100 \\ = 12.44 % \\ % increase in 2003, \\ = \frac{59.50 - 48.60}{48.60} \times 100 \\ = 22.43 % \\ % increase in 2002, \\ = \frac{48.60 - 40.90}{40.90} \times 100 \\ = 18.83 % \\ % increase in 2001, \\ = \frac{40.90 - 35.80}{35.80} \times 100 \\ = 14.25 % \end{aligned}

Thus, maximum increase in daily earning of men over preceding year is in 2003

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