search
arrow-left Previous
Next arrow-right
Q: The population of a town is growing at a rate of 5% per year. If the present population of the town is 1,85,220, then what was the population of the town one year ago?
  • A. 1,76,000
  • B. 1,70,500
  • C. 1,76,400
  • D. 1,76,200
Correct Answer: Option C - Let the population of the town before a year was 100x. And it is growing at a rate of 5%, The present population = 105x According to the question, 105x=185220 x=1764 The population before a year = 100x = 100×1764 =176400
C. Let the population of the town before a year was 100x. And it is growing at a rate of 5%, The present population = 105x According to the question, 105x=185220 x=1764 The population before a year = 100x = 100×1764 =176400

Explanations:

Let the population of the town before a year was 100x. And it is growing at a rate of 5%, The present population = 105x According to the question, 105x=185220 x=1764 The population before a year = 100x = 100×1764 =176400