The correct answer is A. 27.7.
The birth rate is the number of live births per 1,000 people in a population in a given year. It is a key indicator of a population’s growth rate.
The birth rate in Bihar is high, at 27.7 per 1,000 people. This is higher than the national average of 22.2 per 1,000 people. The high birth rate in Bihar is due to a number of factors, including a young population, a low level of education among women, and a lack of access to family planning services.
The high birth rate in Bihar has a number of consequences, including a high rate of poverty, a low level of human development, and environmental degradation. The government of Bihar is taking steps to address the high birth rate, including providing family planning services and promoting education among women.
Option B is incorrect because the birth rate in Bihar is not 26.9 per 1,000 people.
Option C is incorrect because the birth rate in Bihar is not 20.27 per 1,000 people.
Option D is incorrect because the birth rate in Bihar is not none of these.