This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Medicine
to reduce 1/2 kg ofbody weight over a period of one week, required caloric reduction per day is - 
Select and explain. 
A. 125 Kcal, B. 225 Kcal, C. 500 Kcal, D. 750 Kcal
B: 225 Kcal
Answer: B: 225 Kcal 
Explanation: <img src=" /> Image ref - Harrison20th edition pg 89