A bus travels the first 15km at a uniform speed of 30km/h next 10 km at a uniform speed of 20 km/h and final 75 km at a uniform speed of 50 km/h . the average speed for the entire journey of the train?

Answers (1)
S safeer

Average speed= (total distance covered) / ( total time taken)

Total time taken = 15/30+ 10/20 +75/50 = 0.5+0.5+1.5 = 2.5 hours

Average speed = (15+10+75) / 2.5 = 40 Km/h

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