The population of a village decreases at the rate of 20% per annum. If its population 2 years ago was 10000, the present population is=?
Created: 2 years ago |
Updated: 1 week ago
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To find the present population of the village, given that its population decreases at a rate of 20% per annum, and its population 2 years ago was 10,000, you can use the following calculation:
Calculate the population after the first year (1 year ago): Population after 1 year = 10,000 - (20% of 10,000) = 10,000 - 2,000 = 8,000
Calculate the present population (now): Population now = Population after 1 year - (20% of Population after 1 year) Population now = 8,000 - (20% of 8,000) = 8,000 - 1,600 = 6,400
So, the present population of the village is 6,400. Therefore, the answer is 6400.
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