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: we need to carve out 125 identical cubes from a cube . what is the minimum number of cuts needed ? 
Options: ['a ) 8', 'b ) 9', 'c ) 10', 'd ) 11', 'e ) 12']
e

Problem: the area of a triangle is with base 10 m and height 5 m ? 
Options: a ) 11 , b ) 25 , c ) 787 , d ) 122 , e ) 12
b

Problem: the area of a rectangular plot is 21 times its breadth . if the difference between the length and the breadth is 10 metres , what is its breadth ? 
Options: a ) 10 metres , b ) 5 metres , c ) 11 metres , d ) data inadequate , e ) none of these

c