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A milkman has 20 liters of milk. If he m...

A milkman has 20 liters of milk. If he mixes 5 liters of water, which is freely available, in 20 liters f pure milk. If the cost of pure milk is rs 18 per litre, then the profit of the milkman, when he sells all the mixture at cost price is:

A

`20%`

B

`25%`

C

`33.33%`

D

`18%`

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The correct Answer is:
B
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