I bought two books; for Rs.420. 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?  Choose one.
A) 197	B) 245	C) 189	D) 278	E) 268
x*(85/100)   = (420 - x)119/100   x = 245   Answer: 245
<result>B</result>
I bought two books; for Rs.420. 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?