instruction:
In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
question:
Problem: a rectangular courtyard 3.78 meters long 5.25 meters wide is to be paved exactly with square tiles , all of the same size . what is the largest size of the tile which could be used for the purpose ? 
Options: ['a ) 14 cms', 'b ) 21 cms', 'c ) 42 cms', 'd ) none of these', 'e ) 56 cms']
answer:
b


question:
Problem: the diagonals of a rhombus are 10 cm and 12 cm . find its area ? 
Options: a ) 158 , b ) 60 , c ) 150 , d ) 123 , e ) 117
answer:
b


question:
Problem: find the smallest number which should be multiplied with 560 to make it a perfect square . 
Options: a ) 60 , b ) 55 , c ) 45 , d ) 25 , e ) 35
answer:

e