a) 5 days
b) 12 days
c) 15 days
d) 20 days
correct answer is:
d) 20 days
Explanation
![25 men can do a piece of work in 12 days working 8 hours per day 25 men can do a piece of work in 12 days working 8 hours per day](https://sciencesparkle.com/wp-content/uploads/2024/04/25-Men-can-do-a-piece-of-work-in-12-days-working-8-hours-per-day-1024x176.png)
Here,
Men and Hours are inversely proportional to Days.
\therefore x=12\times\large\frac{25}{20}\normalsize\times\large\frac{8}{6}
\rightarrow x=20 days.
Ans: If 20 men work for 6 hours per day, it will take them 20 days to complete the work.