A bus moves from station A to station B with a speed of 40km/hr travelling at a distance of 100km. Then it travels from station B to C covering a distance of 200km with a speed of 60km/hr. Find the average speed of the bus of the entire trip.
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Explanation:average speed =total distance/total time
Time taken from a to b=100km/40km/h=2.5h
Time from b to c=200km/60km/h=3.33h
Average speed=300km/2.5h+3.33h=51km/h approx
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