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If the population of a town increases by 10% every year, what will be the popula

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Question: If the population of a town increases by 10% every year, what will be the population after 2 years if the current population is 1000? (2021)

Options:

  1. 1210
  2. 1100
  3. 1020
  4. 1200

Correct Answer: 1210

Exam Year: 2021

Solution: 

Population after 1 year = 1000 * 1.10 = 1100. Population after 2 years = 1100 * 1.10 = 1210.

If the population of a town increases by 10% every year, what will be the popula

Practice Questions

Q1
If the population of a town increases by 10% every year, what will be the population after 2 years if the current population is 1000? (2021)
  1. 1210
  2. 1100
  3. 1020
  4. 1200

Questions & Step-by-Step Solutions

If the population of a town increases by 10% every year, what will be the population after 2 years if the current population is 1000? (2021)
  • Step 1: Start with the current population, which is 1000.
  • Step 2: Calculate the population after 1 year by multiplying the current population by 1.10 (which represents a 10% increase). So, 1000 * 1.10 = 1100.
  • Step 3: Now, take the population after 1 year, which is 1100, and calculate the population after 2 years by again multiplying by 1.10. So, 1100 * 1.10 = 1210.
  • Step 4: The final population after 2 years is 1210.
  • Exponential Growth – Understanding how a percentage increase affects a population over multiple time periods.
  • Compound Interest Formula – Applying the formula for compound growth, which is similar to calculating interest on an investment.
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