Direction: The numbers of different colleges in India in different years is given in the graph below. Per cent distribution of different colleges in year 1980 and 1990 is shown in pie chart
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By what percent is the number of medical colleges in 1980 less than that in 1980?
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- 25%
- 30%
- 32%
- 20%
Correct Option: A
According to given graph and pie chart in question ,
Percent of Medical colleges in 80’s = 12%
Number of colleges in 80’s = 20000
Percent of Medical colleges in 90’s = 8%
Number of colleges in 90’s = 40000
| Number of Medical colleges in 1980 = 20000 × | = 2400 | 100 |
| Number of Medical colleges in 1990 = | = 3200 | 100 |
| ∴ Required percent = |  | 3200 - 2400 |  | × 100 | |
| 3200 |
| Required percent = | = 25% | 32 |
