Task: Question Answering
Input (English): Problem: at what price must an article costing rs . 47.50 be marked in order that after deducting 10 % from the list price . it may be sold at a profit of 25 % on the cost price ? 
Options: a ) 65.9 , b ) 62.3 , c ) 62.7 , d ) 62.2 , e ) 62.9
Output (English): a