A man cheats while buying as well as while selling. While buying he takes 10% more than what he pays for and while selling he gives 20% less than what he claims to. Find the profit percent, if he sells at 11% below the cost price of the claimed weight.  Choose the correct choice from the following answers: A) 19.81% B) 22.38% C) 37.5% D) 25% E) 37.5%
There is a one step calculation method too. It requires more thought but is faster.   The man takes 10% more than what he pays for. So if he claims to take 100 pounds, he pays $100 but he actually takes 110 pounds for which he will take from the customer $110. Hence, in effect, there is a 10% mark up.   While selling, he sells 20% less. This means, he claims to sell 100 pounds and gets $100 but actually sells only 80 pounds and should have got only $80 for it. So this is again a mark up of $20 on $80 which is 25%.   22.38%ut he also sells at 11% less   (1 + m1%)(1 + m2%)(1 - d%) = (1 + p%)   11/10 * 5/4 * 89/100 = (1 + p%)   profit % = 22.38%   22.38%
<result>B</result>
A man cheats while buying as well as while selling. While buying he takes 10% more than what he pays for and while selling he gives 20% less than what he claims to. Find the profit percent, if he sells at 11% below the cost price of the claimed weight.