প্রশ্ন সংশোধন করুন
প্রশ্ন:
A twice as good a workman as B and together they finish a piece of work in 14 days. The number of days taken by A alone to finish the work is:
A twice as good a workman as B and together they finish a piece of work in 14 days. The number of days taken by A alone to finish the work is: