Question

If a milk man mix 10% water in pure milk but he is not content with it . So he is again mix the 10% more water in the previous mixture. What is the percentage profit of if he sells at the cost price ??

Answer 1

Answer:

20% water will be mixed by the milkman

Answer 2

Step-by-step explanation:

According to question,

SP of mixture of milk and water = Rs. 9

Profit = 20%

∴ CP of mixture of milk and water

=9×100120 = Rs. 7.5

Now we use allegation to find the ratio in which water and milk mixed