The following graph shows population data (males and females), educated people data (males and females) and number of male in the population for a given period of 1995 to 2010. All data is in million.
From the information given in the graph answer the questions that follow
In 2002 if the ratio of number of educated male to professionally educated female was 5:4. If the number of educated males increased by 25% in 2003. What is the percentage change in number of uneducated females in 2003?
Number of female in the year 2002 = 790 - 440 = 350 million.
Number of educated females in the year 2002 = $$\dfrac{4}{9}\times 545$$ $$\approx$$ 242 millions
Hence, total number of uneducated females in the year 2002 = 350 - 242 = 108 millions ... (1)
Number of educated males in the year 2002 = $$\dfrac{5}{9}\times 545$$ $$\approx$$ 303 millions.
Therefore, the number of educated males in the year 2003 = 1.25*303 = 378.75 millions.
Hence, the number of educated females in the year 2003 = Total educated population - the number of educated males = 560 - 378.75 $$\approx$$ 181.25 millions.
Total number of uneducated females in the year 2003 = Total number of females - the number of educated females = (800-450) - 181 = 169 millions. ... (2)
From equation (2) and (1), we can say that the percentage change in number of uneducated females in 2003 = $$\dfrac{169-108}{108}\times 100$$ $$\approx$$ 56 percent. Hence, we can say that option D is the correct answer.
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