প্রশ্ন সংশোধন করুন
প্রশ্ন:
A, B and C can complete a piece of work in 14, 6 and 12 days respectively, Working together, they will complete the work in-
A, B and C can complete a piece of work in 14, 6 and 12 days respectively, Working together, they will complete the work in-