This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hospital waste and disaster management, Occupational health, Subject name: Social & Preventive Medicine
[{'content': 'The maximum hours of work per week prescribed under the Factories Act is - \nSelect and explain. \nA. 42, B. 48, C. 54, D. 60', 'role': 'user'}, {'content': 'Answer: B \nExplanation: As per factories Act, a maximum of 48 hours per week, not exceeding 9 hours per day. (REF. PARK&;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 756)', 'role': 'assistant'}]