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: if the area of a circle is 49 pi square feet , find its circumference .
Options: a ) 14 pi feet , b ) 28 pi feet , c ) 38 pi feet , d ) 48 pi feet , e ) 58 pi feet
[A]: a

[Q]: Problem: the width of a rectangular hall is of its length . if the area of the hall is 128 sq . m , what is the difference between its length and breadth ?
Options: a ) 8 m , b ) 10 m , c ) 12 m , d ) 15 m , e ) 17 m
[A]: a

[Q]: Problem: the monthly rent of a shop of dimension 10 feet 8 feet is rs . 2400 . what is the annual rent per square foot of the shop ?
Options: a ) 43 , b ) 56 , c ) 68 , d ) 360 , e ) 92
[A]:
d