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1. |
If the average sewage from a city is 95 × 106 l/day and the average five-day BOD is 300 mg/l, the population equivalent of the city is: (assume 5 day BOD percapita at 20°C = 0.075 kg/day) |
A. | 2,10,000 |
B. | 3,80,000 |
C. | 5,10,000 |
D. | 6,25,000 |
Answer» C. 5,10,000 | |