Task: Question Answering
Input (English): Problem: i bought two books ; for rs . 460 . 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 ? 
Options: a ) 337.33 , b ) 280.33 , c ) 299.33 , d ) 268.33 , e ) 289.33
Output (English): d