Question

P, Q, and R started a piece of work. They worked on it for 5 days, after which P left. The
other two continued to work for another 5 days after which Q left and the remaining work
was completed by R in another 5 days. If Q alone can complete the work in 30 days and R
alone takes at least 45 days to complete the work, then who completed the maximum part of
the work?

Please help.
Thank you.

Answer 1

Answer:

The answer will be 45 days

Answer 2

Refer the pictures for solution