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

A person bought a certain number of pens for 800. If he had bought 4 pens more for the same money, he would have paid 10 less for each pen. How many pens did he buy?

A shopkeeper purchase a certain number of books for Rs 960. If the cost per books was Rs 8 less, the number of books that could be purchased for Rs 960 would be 4 more. Write an equation, taking the ioriginal cost of each book to be Rs x, and solve it to find ther original cost of the books.

Amit buys chocolates worth Rs. 97 (1)/(2) . If one chocolate costs Rs. 9 (3)/(4) , how many chocolates did he buy?

Raman sold 21 books for Rs. 375 each. How must he quickly estimate the amount available with him?

A man purchased some pens at Rs. 8 each and some pencils at Rs. 2.50 each. If the total number of pens and pencils purchased is 27 and their total cost is Rs. 150, how many pens did he buy?

A bookseller sells all his books at a profit of 10%. If he buys a book from the distributor at Rs 200, how much does he sell it for?

If the price of a book is reduced by Rs. 5, a person can buy 5 more books for Rs. 300. Find the original list price of the book.

Arun buys five pens for Rs 5.20 each. He also buys some notebooks for Rs 56.25, the price of each notebook being Rs 11.25. Find the number of notebooks. Arun has bought. If he is left with Rs 90, find how much money he had in the beginning.

A person invested some amount at the rate of 12% simple interest and a certain amount at the rate of 10% simple interest. He received yearly interest of Rs 130. But if he had interchanged the amounts invested, he would have received Rs 4 more as interest. How much did he invest at 12% simple interest? (a) Rs 400 (b) Rs 500 (c) Rs 700 (d) Rs 800

The price of one orange is Rs. 13 (1)/(4) . Divya buys oranges for Rs. 185 (1)/(2) . How many oranges did she buy?