Task: Question Answering
Input (English): Problem: at what price must an article costing rs . 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 ) 69.44 , b ) 62.0 , c ) 62.6 , d ) 62.1 , e ) 62.2
Output (English): a