4. The population of a city was 120p00 in the year 2013. During next y

1.	4. The population of a city was 120p00 in the year 2013. During next year it increased by 6%but due to an epidemic it decreased by 5% in the following year, what was its population inthe year 2015?
Answer» Population in 2015=120000×(106/100)×(95/100) =12×106×95 =120840 The population in 2015 is increased by 840 percentage=100×(840/120000) =0.7% so the population increase by 0.7%

4. The population of a city was 120p00 in the year 2013. During next year it increased by 6%but due to an epidemic it decreased by 5% in the following year, what was its population inthe year 2015?

Answer»

Population in 2015=120000×(106/100)×(95/100)

=12×106×95

=120840

The population in 2015 is increased by 840

percentage=100×(840/120000)

=0.7%

so the population increase by 0.7%