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Percentages · Question 59 of 72

Question 59

EasyOriginal question

The population of a town is 40,000 and grows by 10% every year. What will the population be after 2 years?

Options for question 59

Show the answer and explanation
CorrectNot quiteAnswer D

Correct answer: D

Explanation

  1. After 1 year: 40000×1.1=44,00040000 \times 1.1 = 44{,}000.

  2. After 2 years: 44000×1.1=48,40044000 \times 1.1 = 48{,}400.

Worth noting

48,000 adds 10% of 40,000 twice (simple growth); the second year's growth is on 44,000. 8,400 is only the increase.

Concept
Compound growth of a population over two years
Typical time
40 s
Your time
—
The rule this testsPopulation growth and depreciation
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