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The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is:________?

Correct answer: B. 5%

  • A. 4.37%
  • B. 5%
  • C. 6%
  • D. 8.75%

Explanation

The increase is 2,62,500 - 1,75,000 = 87,500 people, which is 87,500/1,75,000 x 100 = 50% over 10 years. Using the question's average-per-year interpretation, the increase is 50%/10 = 5% per year. Students may choose a by applying a compound annual growth calculation, but that is not the simple average asked for here.

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About Percentages

Percentages express a quantity as parts per hundred and support calculations involving increases, decreases, discounts, commissions, taxes, and successive changes. Questions require distinguishing percentage change from percentage points and identifying the original value when a final value and its percentage change are given.

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