Bank Math Master৩টি পরীক্ষায় এসেছেপ্রশ্ন ২০A train 110 m long is running at the speed of 60 km/hr. In what time will it pass a man who is running at the speed of 6 km/hr in the opposite direction in which the train is moving?ক10 secখ12 secগ6 secঘ3 secউত্তর দেখুন