Question : An article was sold at a certain price. Had it been sold at $\frac{4}{5}$ of that price, there would have been a loss of 10%. At what profit percentage was the article sold initially?

Question : Ankita sold three toys. The first toy was sold for INR 1,500 at a profit of 25%, the second toy was sold for INR 2,800 at a loss of 50% and the third toy was sold for INR 3,500 at a profit of 25%. Find her total profit or loss percentage.

Question : A man bought an article and sold it at a gain of 10%. If he had bought the article at 20% less and sold it for INR 1,000 more, he would have made a profit of 40%. The cost price of the article (in INR) is:

Question : Aditya sold Article X at a profit of 23% and Article Y at a loss of 13%. He earned a profit of INR 180 in the entire transaction. If article X costs INR 90 less than article Y, then what is the price of article Y (in INR)?

Question : After allowing a 10% discount on the marked price of an article, a person makes a profit of 16%. If the cost price of the article is INR 648, then its marked price is: