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'.

[Q]: Problem: a can do a work in 24 days and b can do it in 8 days . in how many days a and b can do the work ? 
Options: a ) 20 days , b ) 10 days , c ) 6 days , d ) 8 days , e ) 7 days
[A]: c


[Q]: Problem: a monkey ascends a greased pole 17 metres high . he ascends 2 metres in first minute and slips down 1 metre in the alternate minute . in which minute , he reaches the top ? 
Options: a ) 31 st , b ) 22 nd , c ) 23 rd , d ) 24 th , e ) none of these
[A]: a


[Q]: Problem: a , b and c can do a piece of work in 24 days , 30 days and 40 days respectively . they began the work together but c left 8 days before the completion of the work . in how many days was the work completed ? 
Options: a ) 12 days , b ) 16 days , c ) 18 days , d ) 11 days , e ) 38 days
[A]:
a