প্রশ্ন সংশোধন করুন
প্রশ্ন:
An express train travelled at an average speed of 100 km/hr, slopping for 3 minutes after every 75 km. How long did it take to reach its destination 600 km from the starting point ?
An express train travelled at an average speed of 100 km/hr, slopping for 3 minutes after every 75 km. How long did it take to reach its destination 600 km from the starting point ?