Bank Math Master৩টি পরীক্ষায় এসেছেপ্রশ্ন ২২A 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?কক) 3 sec খখ) 5 sec গগ) 6 sec ঘঘ) 9 sec উত্তর দেখুন