I bought two books; for Rs.500. I sold one at a loss of 15% and other at a gain of 19% and then I found each book was sold at the same price. Find the cost of the book sold at a loss?  Pick one: A) 337 B) 280 C) 299.67 D) 266.67 E) 291.67
x*(85/100) = (500 - x)119/100   x = 291.67   Answer: 291.67
<result>E</result>
I bought two books; for Rs.500. I sold one at a loss of 15% and other at a gain of 19% and then I found each book was sold at the same price. Find the cost of the book sold at a loss?