TASK DEFINITION: In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
PROBLEM: Problem: the radius of a cylindrical vessel is 7 cm and height is 2 cm . find the whole surface of the cylinder ? 
Options: a ) 281 , b ) 396 , c ) 440 , d ) 767 , e ) 1981

SOLUTION: b

PROBLEM: Problem: two cubes of their volumes in the ratio 343 : 729 . the ratio of their surface area is : 
Options: a ) 7 : 9 , b ) 2 : 5 , c ) 3 : 5 , d ) 1 : 5 , e ) 4 : 5

SOLUTION: a

PROBLEM: Problem: if each side of a rectangle is increased by 100 % , by what % the area increases ? 
Options: ['a ) 100 %', 'b ) 200 %', 'c ) 250 %', 'd ) 300 %', 'e ) 400 %']

SOLUTION:
d