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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What is the average number of colleges for the given years?
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- 30000
- 31000
- 29000
- 32000
Correct Option: B
According to given graph in question ,
Number of colleges in 1960 = 5000
Number of colleges in 1970 = 10000
Number of colleges in 1980 = 20000
Number of colleges in 1990 = 40000
Number of colleges in 2000 = 80000
Sum of Number of colleges from 1960 t0 2000 = 5000 + 10000 + 20000 + 40000 + 80000
Total number of years = 5
| Required average = | 5 |
| Required average = | = 31000 | 5 |
