In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Input: Consider Input: Problem: the second angle of a triangle is double the first ( 110 ) . the third angle is 40 less than the first ( 15 ) . find the first angle .
Options: a ) 35 , b ) 45 , c ) 55 , d ) 65 , e ) 75

Output: c

Input: Consider Input: 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

Output: b

Input: Consider Input: Problem: the ratio of the volumes of two cubes is 1728 : 2197 . what is the ratio of their total surface areas ?
Options: a ) 12 : 18 , b ) 144 : 169 , c ) 44 : 22 , d ) 28 : 144 , e ) 96 : 12
Output: b