Task: Question Answering
Input (English): Problem: there are two concentric circles with radii 8 and 6 . if the radius of the outer circle is increased by 25 % and the radius of the inner circle decreased by 50 % , by what percent does the area between the circles increase ? 
Options: a ) 225 , b ) 250 , c ) 275 , d ) 300 , e ) 325
Output (English): a