প্রশ্ন সংশোধন করুন
প্রশ্ন:
If A and B together can complete a work in 18 days. A and C together in 12 days, and B and C together in 9 days, then B alone can do the work in-
If A and B together can complete a work in 18 days. A and C together in 12 days, and B and C together in 9 days, then B alone can do the work in-