Detailed Instructions: 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'.
See one example below:
Problem: Problem: walking at 5 / 6 th of its usual speed a cab is 15 mnts late . find its usual time to cover the journey ? 
Options: a ) 25 m , b ) 45 m , c ) 32 m , d ) 75 m , e ) 62 m
Solution: d
Explanation: New speed = 5 / 6 th of usual speed new time = 6 / 5 th of usual time 6 / 5 ut - ut = 15 m ut / 5 = 15 m ut = 75 m answer is d

Problem: Problem: a and b can do a piece of work in 11 days . with the help of c they finish the work in 5 days . c alone can do that piece of work in ? 
Options: a ) 15.5 days , b ) 19.5 days , c ) 17.5 days , d ) 9.2 days , e ) 18.5 days
Solution:
d