Question

A dishonest seller mixes milk with mineral water in the composition of 5 : 3. He sells the mixture at the price of milk and makes a profit of 20%. If the cost of mineral water is Rs 20 per litre, then the cost of one liter of milk is what percent more than the cost of one liter of mineral water?​

Answer 1

Step-by-step explanation:

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 litres of milk.

cost of 20 litres milk =20×18=360

cost of the 25 litres of milk after mixing the water =25×18=450

profit percent =

S.P

profit

×100

=

450

90

×100=20%