ব্যাংক মডেল টেস্ট [সাপ্তাহিক]
Two trains 130 m and 170 m long move towards each other on parallel tracks. If they cross each other in 5 seconds and the speed of the first train is 54 km/h, find the speed of the second train.
প্রশ্ন আইডি · 5a8ec56ba56f71312f83234e38175a39