Question

In a village, the current birth rate per thousand is 55. whereas corresponding death rate is 34 per thousand. The net growth rate in terms of population increase wilt be

(a) 0.021 %
(b) 0.0021 %
(c) 21 %
(d) 2.1 %

Answer 1

Current birth rate= 55 per thousand
Current death rate= 34 per thousand

Now net growth rate= 55-34= 21 per thousand

since answer are given in percentage so

net growth rate= $$\begin{gathered} \frac{21}{1000}\times 100 \\ =2.1\% \end{gathered}$$