Maddy bought 13 books and 28 toys from the market. If the price of each book and toy is $ 32 and $ 96 respectively, how much money did Maddy pay for the books?

A textbook publisher uses 2253870 pages to make 9510 textbooks for the 5th standard. This year he finds he has to make 13042 textbooks. How many additional pages will he need?

Along a highway, there are electric poles on one side of the highway and telegraph poles on the other side. The electric poles are separated by 15 m and the telegraph poles are separated by 100 m. If an electric and a telegraph pole are both present at the point where the highway begins, after how much distance along the highway will they both be in front of each other again?

An article with price tag of $400 is sold at 20% discount. Due to festival season shopkeeper provides additional discount of 50% on the discounted price. Find the selling price of the article.