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

Example Input: Problem: carol and jordan draw rectangles of equal area . if carol ' s rectangle measures 12 inches by 15 inches and jordan ' s rectangle is 6 inches long , how wide is jordan ' s rectangle , in inches ?
Options: ['a ) 24', 'b ) 26', 'c ) 28', 'd ) 30', 'e ) 32']
Example Output: d

Example Input: Problem: two equal triangles constitute rhombus a . if the diagonals of rhombus are 15 cm and 20 cm long . what is the area of each triangle ?
Options: ['a ) 300', 'b ) 150', 'c ) 75', 'd ) 40', 'e ) 20']
Example Output: c

Example Input: Problem: all the faces of cubes are painted with red colour . it is then cut into 64 equal small cubes . find how many small cubes have no faces coloured ?
Options: a ) 24 , b ) 8 , c ) 16 , d ) 0 , e ) 4
Example Output:
b