প্রশ্ন সংশোধন করুন
প্রশ্ন:
N can do a piece of work in 80 days. He works at for 10 fdays and then M alone finishes the remaining work in 42 days. In how much time will N and M, working together , finish the work?
N can do a piece of work in 80 days. He works at for 10 fdays and then M alone finishes the remaining work in 42 days. In how much time will N and M, working together , finish the work?