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
A child requires how much energy per day (Kcal/ day)? 
Select and explain. 
A. 1000-1500, B. 1600-2000, C. 2000-2500, D. 2500-3000
A: 1000-1500
Answer: A: 1000-1500 
Explanation: Ans. is 'a' i.e., 1000-1500