Question : The number of different colleges in India in different years is given in the graph. The percent distribution of different colleges in the years 1980 and 1990 is shown in the pie chart.
The difference in number of management colleges in 80's and 90's is:
Option 1: 3,600
Option 2: 3,000
Option 3: 5,600
Option 4: 1,500
Correct Answer: 5,600
Solution :
Number of colleges in 80's = 20,000
Percentage of management colleges in 80's = 10%
Number of management colleges in 80's = $\frac{10}{100}\times 20000$ = 2,000
Number of colleges in 90's = 40,000
Percentage of management colleges in 90's = 19%
Number of management colleges in 90's = $\frac{19}{100}\times 40000$ = 7,600
So, the difference in the number of management colleges in 80's and 90 's= 7,600 – 2,000 = 5,600
Hence, the correct answer is 5,600.
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