Question

In a 30 year period the rural population of a country increased by 10% whereas the urban population increased by 30% during the same period. If total population of the country increased by 16% during this period, the ratio of urban population to rural population is (A) 3.7 (B) 4:6 (C) 4:8 (D) 39​

Answer 1

Answer:

OPTION (D) 39

Step-by-step explanation:

MARK ME AS BRILLIANT

Answer 2

Answer:

option d 3:9

Step-by-step explanation:

because it is increase the population of the country

as 16%

$30 + 10 = 40 \\ 10 = 16 \div 4 = 4$

thus the population increase in the rural is three times

smaller than urban so, 3:9