An aeroplane travels 2000km at the rate of 500km/h,1200km at the rate of 300km/h and 500 km at the rate of 250 km/h.Find its average speed for the entire journey.
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Answer. Answer: Answer: an Aeroplane covers 2500km, 1200km,and 500km at the rate of 500 km/hr, 400km/hr and 250km/hr respectively.
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