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: find the smallest number that should be multiplied with 54000 to make it a perfect cube .
Options: ['a ) 4', 'b ) 5', 'c ) 6', 'd ) 3', 'e ) 7']
[EX A]: a

[EX Q]: Problem: if the radius of the sphere is 14 m . then its total surface area is
Options: ['a ) 2644', 'b ) 2446', 'c ) 2464', 'd ) 6442', 'e ) 6424']
[EX A]: c

[EX Q]: Problem: the percentage increase in the area of a rectangle , if each of its sides is increased by 20 %
Options: a ) 33 , b ) 37 , c ) 44 , d ) 99 , e ) 277
[EX A]:
c