Question

Cost of ll milk was declared 46. Earlier it was 40.​

Answer 1

Answer:

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Answer 2

ANSWER

Suppose, the milkman purchased 100 litres of milk at a cost price rate of x rupees per litre.

So, cost price = (100x) rupees.

The milkman added a litres of water to it, to increase its volume to (100 + a) litres and sold it at the rate of x rupees per litre to make 40% profit.

So, selling price = {(100 + a) * x} rupees = {(100x) * 1.4} rupees.

So, (100 + a) = 100 * 1.4 = 140

a = 40.

Thus, in the 140 litre mixture prepared for selling by the milkman, amount of milk = 100 litres.

Percentage of milk in the mixture = {(100 / 140) * 100}% ≈ 71.43%.