Instructions

Answer the questions based on the following information.
The following table gives the urban population of a country and the percentages of total population in rural and urban areas as recorded in the 10-years censuses during 1901-81.
Table 1. Urban and rural population 1901-1981


Question 21

The percentage increase in total population of the country between 1901 and 1981 is

Solution

From the table , 

Total population in 1901 = Rural population in 1901 + Urban population in 1901

=225+25 = 250

Total population in 1981 = Rural population in 1981 + Urban population in 1981

=450+150 = 600

Percentage increase in population from 1901 to 1981 is $$\frac{600-250}{250}$$ * 100

=350/250 *100

=140%

Hence C is the correct answer.


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