Task: Question Answering
Input (English): Problem: if each side of a square is increased by 50 % , the ratio of the area of the resulting square to the area of the given square is : 
Options: ['a ) 5 : 4', 'b ) 9 : 4', 'c ) 4 : 5', 'd ) 4 : 9', 'e ) 1 : 2']
Output (English): b