a bus travels from A to B at covers a distance of 45 km at a uniform speed of 60 kilometre per hour and from B to C covering a distance of 30 km at the speed of 40 km per hour calculate the average speed
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Answer:
48 km/ hr
Explanation:
Average Speed is 48 Kmph
Lets take the distance between the station A & B is 120 Km.
Speed for travelling from station A to B is 40 Kmph so it takes 3 Hrs to reach.
Speed for travelling from station B to A is 60 Kmph so it takes 2 Hrs to return.
Now,
Total distance travelled is 240 Km
Total travelling time is 5 Hrs
Average speed =total Distance travelled / total time taken
= 240/5
= 48 Km/Hr
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