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: the ratio of radius of a circle and the side of a square is 2 : 9 . find the ratio of their areas : 
Options: a ) 2 : 1 , b ) 4 : 7 , c ) 8 : 77 , d ) 4 : 81 , e ) none
[EX A]: d

[EX Q]: Problem: a small table has a length of 12 inches and a breadth of b inches . cubes are placed on the surface of the table so as to cover the entire surface . the maximum side of such cubes is found to be 4 inches . also , a few such tables are arranged to form a square . the minimum length of side possible for such a square is 24 inches . find b . 
Options: a ) 8 , b ) 16 , c ) 24 , d ) 32 , e ) 48
[EX A]: a

[EX Q]: Problem: the side of a square is increased by 15 % then how much % does its area increases ? 
Options: ['a ) 52.65', 'b ) 56.25', 'c ) 50.75', 'd ) 32.25', 'e ) 52.75']
[EX A]:
d