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

Input: Consider Input: Problem: what is the maximum number of pieces of birthday cake of size 5 ” by 5 ” that can be cut from a cake 15 ” by 15 ” ? 
Options: a ) 5 , b ) 10 , c ) 16 , d ) 20 , e ) 9

Output: e


Input: Consider Input: Problem: the speed of a boat in still water is 20 km / hr and the rate of current is 5 km / hr . the distance travelled downstream in 27 minutes is : 
Options: a ) 9.25 , b ) 5.25 , c ) 7.25 , d ) 6.25 , e ) 11.25

Output: e


Input: Consider Input: Problem: the radius of a wheel is 25.4 cm . what is the distance covered by the wheel in making 500 resolutions ? 
Options: a ) 724 m , b ) 798.3 m , c ) 287 m , d ) 278 m , e ) 927 m


Output: b