A factory produces 754 bats every month. It sends 310 bats to the town market, 110 bats to the markets in other states and 111 to the markets in other countries. How many bats are left in the factory?
An article with price tag of Rs. 400 is sold at 25% discount. Due to festival season, the shopkeeper provides an additional discount of 20% on the discounted price. Find the selling price of the article.