If the total distance of a journey is 120 km .If one goes by 60 kmph and comes back at 40kmph what is the average speed during the journey?

• average speed is (2*X*Y)/(X+Y)=(2*60*40)/(60+40)=48 km/hr
• 13 years agoHelpfull: Yes(17) No(0)
• total distance=2*120
  total time=120/60+120/40=5 hours
  avg=120*2/5=48
• 13 years agoHelpfull: Yes(5) No(0)
• 50 kmph
  60+40/2
• 13 years agoHelpfull: Yes(0) No(16)
• average speed is (2*X*Y)/(X+Y)=(2*60*40)/(60+40)=48 kmph
• 8 years agoHelpfull: Yes(0) No(0)
• 60/60+60/40=2.5
  
  120/2.5= 48 KMPH
• 8 years agoHelpfull: Yes(0) No(0)