797. A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is____________________? September 7, 2025 by Admin A. 100 B. 1000 C. 5000 D. 10000 ✅ The correct answer is option D.