MCQOPTIONS
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| 1. |
If Biochemical oxygen demand (BOD) of a town is 20000 kg/day and BOD per capita per day is 0.05 kg, then population equivalent of town is |
| A. | 1000 |
| B. | 4000 |
| C. | 1,00,000 |
| D. | 4,00,000 |
| Answer» E. | |