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The population of a place increased to 54000 in 2003 at a rate of 5% per annum Find the population in 2001.

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Question

The population of a place increased to 54000 in 2003 at a rate of 5% per annum Find the population in 2001.

Sum
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Solution

It is given that, population in the year 2003 = 54,000

Therefore,

54000 = (Population in 2001)`(1 + 5/100)^2`

= 54000

Population in 2001 = `54000 xx 20/21xx20/21`

=  48979.59

Thus, the population in the year 2001 was approximately 48,980.

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Chapter 7: Comparing Quantities - EXERCISE 7.3 [Page 90]

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NCERT Mathematics [English] Class 8
Chapter 7 Comparing Quantities
EXERCISE 7.3 | Q 1. (i) | Page 90

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