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

[EX Q]: Problem: a 25 cm wide path is to be made around a circular garden having a diameter of 4 meters . approximate area of the path is square meters is 
Options: ['a ) 3.34', 'b ) 3.36', 'c ) 3.34', 'd ) 6.32', 'e ) 3.31']
[EX A]: a

[EX Q]: Problem: the measure of the side of a square is multiplied by 7 . if x represents the perimeter of the original square , what is the value of the new perimeter ? 
Options: a ) 3 x , b ) 4 x , c ) 7 x , d ) 12 x , e ) 27 x
[EX A]: c

[EX Q]: Problem: spheres a and b have their radil 40 cm and 10 cm respectively . the ratio of the surface area of a to the surface area of b is 
Options: ['a ) 1 : 4', 'b ) 1 : 16', 'c ) 4 : 1', 'd ) 16 : 1', 'e ) none']
[EX A]:
d