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

[Q]: Problem: the length of a rectangular plot is thrice its width . if the area of the rectangular plot is 432 sq meters , then what is the width ( in meters ) of the rectangular plot ? 
Options: ['a ) 10', 'b ) 11', 'c ) 12', 'd ) 13', 'e ) 14']
[A]: c


[Q]: Problem: if circles x and y have the same area and circle x has a circumference of 14 π , half of the radius of circle y is : 
Options: ['a ) 16', 'b ) 8', 'c ) 4', 'd ) 3.5', 'e ) 1']
[A]: d


[Q]: Problem: rectangular tile each of size 70 cm by 30 cm must be laid horizontally on a rectangular floor of size 900 cm by 600 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 ) 50 , b ) 70 , c ) 80 , d ) 90 , e ) 100
[A]:
e