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Time Distance and Speed
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?
Read Solution (Total 5)
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- average speed is (2*X*Y)/(X+Y)=(2*60*40)/(60+40)=48 km/hr
- 12 years agoHelpfull: Yes(17) No(0)
- total distance=2*120
total time=120/60+120/40=5 hours
avg=120*2/5=48 - 12 years agoHelpfull: Yes(5) No(0)
- 50 kmph
60+40/2 - 12 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)
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