A man sitting on a train which is traveling at 50 kmph observes that a goods train, traveling in the opposite direction, takes 9 seconds to pass him. If the goods train is 280 m long, find its speed.?

• ক 65kmph
• খ 6okmph
• গ 62kmph ✅ সঠিক উত্তর
• ঘ 49kmph