Task: Question Answering
Input (English): Problem: the simple interest on a sum of money will be rs . 500 after 10 years . if the principal is trebled after 5 years what will be the total interest at the end of the tenth year ? 
Options: a ) 2261 , b ) 2888 , c ) 1200 , d ) 2699 , e ) 900
Output (English): e