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 Input:
Problem: the area of a square field is 7201 sq m . how long will a lady take to cross the field diagonally at the rate of 2.4 km / hr ?
Options: ['a ) 2 min', 'b ) 3 min', 'c ) 4 min', 'd ) 5 min', 'e ) 6 min']

Ex Output:
b

Ex Input:
Problem: the length of a rectangular landscape is 8 times its breadth . there is a playground in it whose area is 1200 square mtr & which is 1 / 6 rd of the total landscape . what is the length of the landscape ?
Options: a ) 180 , b ) 270 , c ) 340 , d ) 140 , e ) 240

Ex Output:
e

Ex Input:
Problem: the area of sector of a circle whose radius is 15 metro and whose angle at the center is 42 a is ?
Options: a ) 52.6 , b ) 52.9 , c ) 52.8 , d ) 52.1 , e ) 82.5

Ex Output:
e