Question

A vendor buys milk at a certain price, adds water and sells the adulterated milk at the same rate as he bought it for. He makes a 30% profit. What is the percentage of water that he adds to milk?

Options:
A) 30%
B) 15%
C) 20%
D) 60%

Answer 1

The correct option is A): "30%" because suppose vendor bought 100 ltr milk at 10/ltr so cost price =1000 rs.
In that he adds "x" ltr of water in order to get profit of 30% above cost price , means his total earnings from adulturated solution will be 1300 rs.