A man walks at 5kmph for 6hr and at 4km/h for 12hr. His average speed is

• Ans=4.33 kmph
  Total distance travelled=5*6+4*12=78 km
  Total time=6+12=18 hr.
  Average speed=78/18=4.33 km/h
• 11 years agoHelpfull: Yes(2) No(0)
• Average Speed = Total Distance/Total Time
  Total Distance = 5*6 = 30
  4*12= 48
  -----
  78 KM
  Total time 6hrs + 12hrs = 18hrs
  
  So Average Speed = 78/18 = 4.333
• 11 years agoHelpfull: Yes(1) No(0)
• . Average Speed = Total Distance/Total Time
  Total Distance = 5*6 = 30
  4*12= 48
  -----
  78 KM
  Total time 6hrs + 12hrs = 18hrs
  
  So Average Speed = 78/18 = 4.333
• 11 years agoHelpfull: Yes(0) No(0)
• v=total distance/total time
  v=(5*6+4*12)/6+12
  v=78/18 km/h
• 11 years agoHelpfull: Yes(0) No(0)