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 circular well with a diameter of 2 meters , is dug to a depth of 14 meters . what is the volume of the earth dug out . 
Options: ['a ) 40 m 3', 'b ) 42 m 3', 'c ) 44 m 3', 'd ) 46 m 3', 'e ) none of these']
[EX A]: c

[EX Q]: Problem: what is the measure of the angle e made by the diagonals of the any adjacent sides of a cube . 
Options: ['a ) 30', 'b ) 45', 'c ) 60', 'd ) 75', 'e ) 90']
[EX A]: c

[EX Q]: Problem: if the length of rectangle is three times of its breadth . if the area of rectangle is 6075 sq . m , then calculate the length ? 
Options: ['a ) 145', 'b ) 135', 'c ) 75', 'd ) 140', 'e ) none of these']
[EX A]:
b