the speed of the train while going from A to B is 60km/h
from B to A is 80km/h
find the speed of the train

• average speed of train can be given by the formula = 2xy/x+y
  => 2*60*80/(60+80)
  => 68.57 km/h
• 11 years agoHelpfull: Yes(2) No(0)