Question Statement :

A milkman purchases 10 litres of milk at Rs. 7 per litre and forms a mixture by adding freely available water which constitutes 16.66% of mixture. Later on he replaced the mixture by some freely available water and thus the ratio of milk to water is 2:1. He then sold the new mixture at the cost price of milk and replaced amount of mixture at twice the cost of milk milk then what is the profit percentage?

Type in your answer as an integer. For example, if your answer is 17, type 17