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
Apnoea in infants is- 
Select and explain. 
A. >10 sec, B. >20 sec, C. >30sec, D. >40sec
B: >20 sec
Answer: B: >20 sec 
Explanation: Ans. is 'b' i.e., > 20 sec