A milk man has $20$ liters of milk. If he mixes $5$ liters of water, which is freely available, in $20$ liters of pure milk.If the cost of pure milk is Rs. $18$ per liter,then find the profit of the milkman, when he sells all the mixture at same cost price.

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Solution

when the water is freely available and all the water is sold at the price of the milk, then the water gives the profit on the cost of $20$ liters of milk. $∴$ , profit percentage $= (\frac{5}{20}) \times 100 = 25 %$ [ Profit $% = (\frac{P r o f i t}{C . P}) \times 100$ ]

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A milk man has 20 liters of milk. If he mixes 5 liters of water, which is freely available, in 20 liters of pure milk.If the cost of pure milk is Rs.18 per liter,then find the profit of the milkman, when he sells all the mixture at same cost price.

when the water is freely available and all the water is sold at the price of the milk, then the water gives the profit on the cost of 20 liters of milk.∴, profit percentage =(520)×100=25% [ Profit%=(ProfitC.P)×100]

A milk man has $20$ liters of milk. If he mixes $5$ liters of water, which is freely available, in $20$ liters of pure milk.If the cost of pure milk is Rs. $18$ per liter,then find the profit of the milkman, when he sells all the mixture at same cost price.

when the water is freely available and all the water is sold at the price of the milk, then the water gives the profit on the cost of $20$ liters of milk. $∴$ , profit percentage $= (\frac{5}{20}) \times 100 = 25 %$ [ Profit $% = (\frac{P r o f i t}{C . P}) \times 100$ ]