The current birth rate per thousand is 32, whereas the corresponding death rate is 11 per thousand. The net growth rate in terms of population increase in percent is given by
(a)0.0021\%
(b)0.021\%
(c)2.1\%
(d)21\%
Answer
Answer (as printed): C
Explanation
Net growth on $1000=(32-11)=21$. Net growth on 100 $=\left(\frac{21}{1000} \times 100\right) \%=2.1 \%$.
Explanation as extracted from the printed page; notation may be imperfect.