প্রশ্ন সংশোধন করুন
প্রশ্ন:
A train 125 m long passes a person , running at 8 km / hr in the same direction in which the train is going in 25 seconds . The speed of the train is :
A train 125 m long passes a person , running at 8 km / hr in the same direction in which the train is going in 25 seconds . The speed of the train is :