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
[{'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: The Factories Act, 1948, has prescribed a maximum of 48 working hours per week, not exceeding 9 hours per day with rest for at least 1/2 hour after 5 hours of continuous work. For adolescents, the hours of work have been reduced from 5 to 4 1/2 per day. The 1976 amendment makes a provision to increase the spread-over period of work (including rest intervals) of an employee in a factory upto 12 hours from the existing 10 1/2 hours. The total number of hours of work in a week including oveime shall not exceed 60. Ref: Park's Textbook of Social and Preventive Medicine, 19th edition, Page 669-670.", 'role': 'assistant'}]