An intern can do a job in days. The manager and senior manager are busy with other priorities and thus take and days respectively to complete the task. How long will they take to finish the task if all of them work together?
Given,
An intern can do a job in days.
Intern's one day work
The manager can do a job in days.
The manager's one day work
The senior manager can do a job in days.
Senior manager's one day work
If all of them will work together, their one day work
(LCM of , , is )
Number of days to finish the work
Therefore, all of them will do the work together in days.