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
অ্যাপ/ওয়েবসাইটে রুটিনভিত্তিক নিয়মিত লাইভ পরীক্ষা হচ্ছে।