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UGC NET Paper 1 GA 2013 Sep Solved Paper

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Question : 1

Total: 60

The world population growth rate at a certain reference year was 3.5%. Assuming exponential growth of population, after how many years, the population of the world would have increased by a factor 16 ?

~ 80 years
~ 40 years
~ 160 years
~ 320 years

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