প্রশ্ন সংশোধন করুন
প্রশ্ন:
A train 120 m long is traveling at a speed of 60 km / h. The time in which it will pass a passes by, walking at 6 km / h in the same direction is --
A train 120 m long is traveling at a speed of 60 km / h. The time in which it will pass a passes by, walking at 6 km / h in the same direction is --