A project is assigned to 24 men, who are expected to complete it in 40 days. However, after 20 days, only one-third of the work is done. 'W' additional men are needed to finish the work on time.
J takes 'W' days less than K to complete a work. J and K together can complete the work in 'V2' days [where V is the root of (2y2+y-21=0) and a whole number]. The ratio of their efficiency of p:q.
X takes 'a' days less than Z to complete a task. They start the task together, but after 'b' days, X leaves, leaving Z to finish the rest of the work on her own. If the ratio of work accomplished by Z and X is p:q, for how many days did Z work alone?
1
(3a/4) + b
2
(5a/4) + 2b
3
(5a/4) - b
4
(3a/4) + 2b
5
None of the above