Math, asked by raghav167, 1 year ago

a bus covers 120 km at the speed of 40 km per hour and return with the speed of 30 km /hr. calculate the average speed for entire journey

Answers

Answered by Iashimaj6
0
To find average:
40+40+40+30/4
150/4
average speed is 37.5km/h

dibyendu2: average speed=240/7
Answered by dibyendu2
0
total distance =120+120=240km
total time =120/40+120/30
=3+4
=7 hr
average
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