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'.

[EX Q]: Problem: mahesh can do a piece of work in 35 days . he works at it for 20 days and then rajesh finished it in 30 days . how long will y take to complete the work ? 
Options: a ) 45 , b ) 25 , c ) 37 , d ) 41 , e ) 70
[EX A]: e

[EX Q]: Problem: when the perimeter of a regular polygon is divided by 5 , the length of a side is 25 . what is the name of the polygon ? what is the perimeter ? 
Options: ['a ) 125', 'b ) 126', 'c ) 127', 'd ) 128', 'e ) 129']
[EX A]: a

[EX Q]: Problem: what is the least number of square tiles required to pave the floor of a room 13 m 44 cm long and 4 m 44 cm broad ? 
Options: a ) 7724 , b ) 7804 , c ) 4144 , d ) 7844 , e ) none
[EX A]:
c