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

Input: Consider Input: Problem: a rectangular field has area equal to 150 sq m and perimeter 50 m . its length and breadth must be ? 
Options: ['a ) 15 m , 15 m', 'b ) 15 m , 90 m', 'c ) 16 m , 10 m', 'd ) 15 m , 10 m', 'e ) 15 m , 30 m']

Output: d


Input: Consider Input: Problem: the area of a parallelogram is 72 sq m and its altitude is twice the corresponding base . then the length of the base is ? 
Options: a ) 6 , b ) 16 , c ) 8 , d ) 36 , e ) none

Output: a


Input: Consider Input: Problem: the length of a rectangular plot is thrice its breadth . if the area of the rectangular plot is 507 sq m , then what is the breadth of the rectangular plot ? 
Options: a ) 16 , b ) 17 , c ) 13 , d ) 19 , e ) 14


Output: c