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: find the area of a rhombus having each side equal to 13 cm and one of whose diagonal is 24 cm . 
Options: ['a ) 150 sq . cm', 'b ) 120 sq . cm', 'c ) 130 sq . cm', 'd ) 125 sq . cm', 'e ) 110 sq . cm']

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: if y is the smallest positive integer such that 6300 multiplied by y is the square of an integer , then y must be 
Options: a ) 5 , b ) 7 , c ) 15 , d ) 35 , e ) 45

Ex Output:

b