Task: Question Answering
Input (English): Problem: at what price must an article costing rs . 200 be marked in order that after deducting 10 % from the list price . it may be sold at a profit of 20 % on the cost price ? 
Options: a ) 62.5 , b ) 62.0 , c ) 266.67 , d ) 62.1 , e ) 62.2
Output (English): c