DU • ঢাকা বিশ্ববিদ্যালয় আইবিএ (বিবিএ) ভর্তি পরীক্ষা ২০১৩-২০১৪
প্রশ্ন ও সমাধান
Two boats on the opposite shores of a river start moving towards each other. When they pass each other they are 750 yards from one shoreline. They each continue to the opposite shore, immediately turn around and start back. When they meet again they are 250 yards from the other shoreline. Each boat maintains a constant speed throughout. How wide is the river?
- ক
2400 yards
- খ
3000 yards
- গ
2000 yards
- ঘ
4000 yards
- ঙ
none of these
আরও প্রশ্ন অনুশীলন করতে অ্যাপে যাও