ব্যাংক মডেল টেস্ট [সাপ্তাহিক]
Dhaka and Khulna apart from each other 760 km. A train starts from Dhaka at 8 am and travels towards Khulna at speed 100 km/h. Another train starts from Khulna at 10 am and travels towards Dhaka at speed 40 km/h. At what time both will meet?