Two trains start at the same time for two station A and B toward B and A respectively. If the distance between A and B is 220 km and their speeds are 50 km/hr and 60 km/hr respectively then after how much time will they meet each other?

• ক 2 hr ✅ সঠিক উত্তর
• খ 3 hr
• গ 1 hr
• ঘ 212212 hr