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: the bases of a hemisphere and a cone are equal . if their heights are also equal then ratio between their curved surface area is — 
Options: ['a ) 1 : √ 2', 'b ) √ 2 ∶ 1', 'c ) 1 : 2', 'd ) 2 : 1', 'e ) none of these']
answer:
b


question:
Problem: the side of a rhombus is 22 m and length of one of its diagonals is 16 m . the area of the rhombus is ? 
Options: a ) 327.9 , b ) 325.9 , c ) 347.7 , d ) 357.9 , e ) 327.9
answer:
a


question:
Problem: if the sides of a square are multiplied by sqrt ( 20 ) , the area of the original square is how many times as large as the area of the resultant square ? 
Options: a ) 2 % , b ) 5 % , c ) 20 % , d ) 50 % , e ) 150 %
answer:

b