Question

a dealer allows a discount of 10% and still gains 15%. what is the cost price of the book which is listed at 230 rupees? ​

Answer 1

Answer:

according to the question

price of book with discount = 100-10=90%

90/100×230=207ruppes

price of book at 15% gain = 100+15=115ruppes

so 115/100×207= 238.05rupees