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1. |
If the average sewage from a city is 95 × 106 l/day and the average 5-day BOD is 300 mg/l against a standard of 75 mg/day per capita at 20°C, then the population equivalent of the city will be |
A. | 28,500 |
B. | 285 × 106 |
C. | 3,80,000 |
D. | 380 × 106 |
Answer» E. | |