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Water flowing with chlorine concentration 10 mg/L at the rate of 20 Liter/min, is discharged into a river if the concentration of chlorine in a river is 5 mg/L what is the flow rate of river?(a) 10 Liter/min(b) 20 Liter/min(c) 30 Liter/min(d) 40 Liter/min |
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Answer» The correct option is (a) 10 Liter/min Explanation: Rate of flow of river = 20*5/10 = 10 Liter/min. |
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