Madhubala purchased 15 books for Rs. 180. If she purchases 20 more books then how much total amount she has to pay?

A shopkeeper buys a number of books for Rs 1200. If he had bought 10 more books for the same amount,each book would have cost him Rs20 less. How many books did he buy?

A shopkeeper buys a number of books for Rs 80. If the had bought 4 more books for the same amount, each book would have cost Rs 1 less. How many books did he buy?

A bookseller buys a number of books for Rs. 1760. If he had bought 4 more books for the same amount, each book would have cost Rs. 22 less. How many books did he buy?

Rani purchases a pair of shoes whose sale price is Rs 175. If she pays VAT at the rate of 7%, how much amount does she pay as VAT? Also, find the net value of the pair of shoes.

Shivani read a book 1 2/7 hours every day. If she finishes the book in 1 week, then how much time did she read the book altogether?

A lady purchased one piece of cloth for Rs 1600 .Had the price rate of cloth been Rs 40 per metre less,then she would have purchase 2 metre cloth more in the same amount.Find the measure of cloth and price per metre.