This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Environment and health, Subject name: Social & Preventive Medicine
Daily per capita water supply considered to meet the needs of all urban domestic purposes is 
Select and explain. 
A. 50-100 litres, B. 100-150 litres, C. 150-200 litres, D. 200-250 litres
C: 150-200 litres
Answer: C: 150-200 litres 
Explanation: A daily supply of 150- 200 litres per capita is considered as an adequate supply to meet the needs for urban domestic purposes and 40 L for rural. (PARK TB of social and preventive medicine 25th edition pg 766)