Social & Preventive Medicine The optimum floor space recommended for a adult person in a house is A 70 to 90 sq.ft B 101 to 150 sq.ft C 151 to 200 sq.ft D 201 to 250 sq.ft 💡 Explanation The optimum floor space recommended for a adult person in a house is ✓ Correct Answer: A. 70 to 90 sq.ft