Alekh and Alia together can complete a task in 5 days, while Alia and Aman together can finish the same task in 15 days. Alekh works on the task for 4...
Question
Alekh and Alia together can complete a task in 5 days, while Alia and Aman together can finish the same task in 15 days. Alekh works on the task for 4 days, Alia works for 5 days, and then Aman completes the remaining work alone in 4 days. How many days will Alia take to finish the entire work by herself?