Question

A car covered 85 km in the first two hours and 150 km in the next three hours. Calculate the average speed of the car.

Answer 1

235 in 5hrs
Speed is distance by time
235/5
47km/hr
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Answer 2

Answer:

in first 2 hours

distance=85 km     time=2 hrs

in next 3 hours

distance=150 km      time=3 hrs

average speed=total distance travelled/total time taken

average speed=   150+85/2+3

average speed=   235/5

average speed=    47 km/hr

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