TASK DEFINITION: In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
PROBLEM: Problem: a math teacher has 25 cards , each of which is in the shape of a geometric figure . half of the cards are rectangles , and a third of the cards are rhombuses . if 8 cards are squares , what is the maximum possible number of cards that re circles . 
Options: a ) 8 , b ) 10 , c ) 11 , d ) 12 , e ) 13

SOLUTION: a

PROBLEM: Problem: if the radius of a circle is increased by 40 % then the area is increased by : 
Options: a ) 44 % , b ) 120 % , c ) 96 % , d ) 40 % , e ) none of the above

SOLUTION: c

PROBLEM: Problem: two cubes have their volumes are in the ratio 1 : 27 . find the ratio of their surface area ? 
Options: ['a ) 1 : 2', 'b ) 2 : 3', 'c ) 1 : 9', 'd ) 2 : 7', 'e ) 3 : 11']

SOLUTION:
c