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: Pediatrics
At which one of the following age period a child can remove front opening garment ? 
Select and explain. 
A. 24 months, B. 36 months, C. 48 months, D. 60 months
B: 36 months
Answer: B: 36 months 
Explanation: Ans. is 'b' i.e., 36 months o A child can dress or undress himself completely by 3 years.