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India has a population of 1 billion and current population growth is 1.9 %, what is the doubling time?a.37 yearsb.15 yearsc.10 yearsd.100 years

Question

What is the doubling time of India's population?

Given:

  • Population: 1 billion
  • Current Population Growth Rate: 1.9%

Options:
a. 37 years
b. 15 years
c. 10 years
d. 100 years

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Solution

The doubling time of a population can be estimated using the rule of 70, which is calculated by dividing the number 70 by the growth rate.

Here's the step-by-step calculation:

  1. Identify the growth rate: The growth rate given is 1.9%.

  2. Apply the rule of 70: Divide 70 by 1.9.

70 / 1.9 = approximately 36.84 years

So, the doubling time of India's population, given a constant growth rate of 1.9%, is approximately 37 years. Therefore, the answer is a. 37 years.

This problem has been solved

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