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: the volume of a box with a square base is 128 cubic cm . the area of the base of the box is 8 inches more than the height . what is the length of the base of the box ? 
Options: ['a ) 4 cm', 'b ) 8 cm', 'c ) 16 cm', 'd ) 24 cm', 'e ) none of the above']
[EX A]: a

[EX Q]: Problem: rectangular tile each of size 35 cm by 30 cm must be laid horizontally on a rectangular floor of size 1000 cm by 210 cm , such that the tiles do not overlap and they are placed with edges jutting against each other on all edges . a tile can be placed in any orientation so long as its edges are parallel to the edges of floor . no tile should overshoot any edge of the floor . the maximum number of tiles that can be accommodated on the floor is : 
Options: ['a ) 600', 'b ) 400', 'c ) 200', 'd ) 500', 'e ) 100']
[EX A]: c

[EX Q]: Problem: the side of a cube is 15 m , find it ' s surface area ? 
Options: a ) 1350 , b ) 1750 , c ) 1150 , d ) 1450 , e ) 1570
[EX A]:
a