What is Cost Price (C.P.)

Profit If the selling price (S.P.) of an article is greater than the cost price (C.P.) the difference between the selling price and cost price is called profit.

If an article costs 25% less, a profit of ₹100 more can be made by selling the article at the usual price. What is the cost price of the article ?

The owner of a shop marked his good 15% more than the cost price. If a customer paid Rs 7889/- for a sofa. What is the cost price of Sofa ?