This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
In reproductive and child health programme, districts are divided on the basis of- 
Select and explain. 
A. Crude bih rate & infant moality rate, B. Crude bih rate & female literacy rate, C. Crude death rate & crude bih rate, D. Couple protection rate & infant moality rate
B: Crude bih rate & female literacy rate
Answer: B: Crude bih rate & female literacy rate 
Explanation: Ans. is 'b' i.e., Crude Bih Rate & Female Literacy Rate