Task: Question Answering
Input (English): Problem: the mean daily profit made by a shopkeeper in a month of 30 days was rs . 350 . if the mean profit for the first fifteen days was rs . 255 , then the mean profit for the last 15 days would be 
Options: a ) rs . 200 , b ) rs . 445 , c ) rs . 275 , d ) rs . 425 , e ) none of these
Output (English): b