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During rainy season, huge inflow of water takes place into a reservoir. Measures are taken to clear the reservoir while water keeps flowing into it at a constant rate. It has been observed that seven and five men can clear the reservoir in 20 and 50 days, respectively, with the initial quantity of water in the reservoir being 24 and 36 kilolitres, respectively. What is the rate of inflow of water into the reservoir in litres per day?

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∵  7 men clear the reservior in 20 days with initial quantity of water in the reservior is 24 kilo liter.

∴ Water flow into reservior(liter per day) = \(\frac{24000\times7}{20} \) liter per day = 8400 liter per days

Also, 5 men clear the other reservior in 50 days with initial

∴ water flow into other reservior = \(\frac{36000\times5}{50}\) litre per day

 = 3600 litre per day

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