প্রশ্ন সংশোধন করুন
প্রশ্ন:
20 men can finish a work in 30 days. After how many days should 5 men leave the work so that the work may be finished in 35 days?
20 men can finish a work in 30 days. After how many days should 5 men leave the work so that the work may be finished in 35 days?