In a certain country, a person is born in every 3 seconds and person dies in every 10 seconds. Therefore, the birth and death rates account for a population growth rate of one person in every--

In a certain country, a person is born in every 3 seconds and person dies in every 10 seconds. Therefore, the birth and death rates account for a population growth rate of one person in every--

A 3(1/3)sec

B 4(2/7)sec

C 11(2/3)sec

D 7sec

Solution

Correct Answer: Option B