A milkman claims to sell milk at its cost price only Still he is making a profit of 20 since he has ...........

Quantitative Aptitude (CDS) Profit and loss

A milkman claims to sell milk at its cost price only. Still he is making a profit of 20% since he has mixed some amount of water in the milk. What is the percentage of milk in the mixture?

200/3%

75%

80%

250/3%

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Explanation:

Profit of the milkman =20%=1/5
Therefore, Amount of water in the mixture : Amount of milk in the mixture=1:5

Total amount of the mixture =1+5=6
Therefore, percentage of milk in the mixture= Amount of milk in the mixture/Total amount of the mixture x100
=5/6 x100=250/3 %