Profit and Loss on Arithmetic Aptitude related Questions and Answers

Question :   A shopkeeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of the cost price and the printed price of the book is 1. 45:56:00 2. 45:51:00 3. 47:56:00 4. 47:51:00 Answer :   1 - 45:56:00