Question : By selling an article for Rs. 1,200, a shopkeeper suffered a loss of 20%. What was the cost price of that article?

Question : A shopkeeper sells a book at a loss of 60 percent. Had he sold the book for Rs. 150 more, then he would have suffered a loss of 30 percent. To earn a profit of 20 percent, what should be the selling price of the book?

Question : The reduction of Rs. 12 in the selling price of an article will change a 5% gain into $2\frac{1}{2}$% loss. The cost price of the article is:

Question : A man sells an article at a gain of 15%. If he had bought it at 10% less and sold it for Rs. 4 less, he would have gained 25%. The cost price of the article is:

Question : A man sells an article at a loss of 10%. If he had sold it for Rs. 75 more he would have gained 20%. The cost price of the article is (in Rs.):