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The adult population of a town in 1990 was 20440 people of which 53% were females while 60% were illiterates. Of these, the number above the age of 50 in that year was 17%. In the 2000 Census, it was found that adult population has reached 30760, 48% of them being females. Of the total adult population in 2000, 72% were below the age of 50 and total illiterates were 7000. Assume uniform pattern of age distribution amongst males and females.
If expense incurred on education (per literate adult) in 1990 was 1200 and the same had increased by 25% in 2000. What is the percentage increase in expenditure under this head?
Total adult literates in 1990 = 8176
Total expense on education in 1990 = 1200 x 8176 = 9811200
Total adult literates in 2000 = 23760
Total expense on education in 2000 = 125% of 1200 x 23760 = 35640000
Percentage increase = $$\frac{35640000 - 9811200}{9811200} \times 100$$
= $$\frac{25828800}{98112} = 263$$%
Hence, option B is the correct answer.
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