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: 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
[EX A]: c

[EX Q]: Problem: carol and jordan draw rectangles of equal area . if carol ' s rectangle measures 15 inches by 20 inches and jordan ' s rectangle is 6 inches long , how wide is jordan ' s rectangle , in inches ?
Options: a ) 20 , b ) 30 , c ) 40 , d ) 50 , e ) 60
[EX A]: d

[EX Q]: Problem: the perimeter of a rhombus is 68 cm and one of its diagonals is 16 cm . find its area ?
Options: a ) 290 , b ) 240 , c ) 2870 , d ) 289 , e ) 292
[EX A]:
b