In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Example Input: Problem: the total surface area of a cuboid length 12 m , breadth 10 m and height 8 m . 
Options: ['a ) 576', 'b ) 566', 'c ) 596', 'd ) 556', 'e ) 586']
Example Output: c

Example Input: Problem: the value of “ a ” varies in inverse proportion as the square of “ b ” . if the value of “ a ” is equal to 40 when “ b ” is equal to 12 . what would be the value of “ a ” when “ b ” is equal to 24 ? 
Options: ['a ) 10', 'b ) 88', 'c ) 26', 'd ) 27', 'e ) 28']
Example Output: a

Example Input: Problem: if the sides of a square are multiplied by sqrt ( 2 ) , the area of the original square is how many times as large as the area of the resultant square ? 
Options: a ) 2 % , b ) 4 % , c ) 50 % , d ) 100 % , e ) 200 %
Example Output:
c