Q4:A bus travels first 19 km of its journey at a speed of 57 km/h and remaining 55km with a speed of

110km/h.Calculate the average speed for the entire journey?

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# Q4:A bus travels first 19 km of its journey at a speed of 57 km/h and remaining 55km with a

Q4:A bus travels first 19 km of its journey at a speed of 57 km/h and remaining 55km with a speed of

110km/h.Calculate the average speed for the entire journey?