1.

a car cover 30 km at a uniform speed of 30km/hr. what should be its speed for the next 90km/hr if the average speed for the entire journey is 60km/h?

Answer»

a car cover 30 km at a uniform speed of 30km/hr. what should be its speed for the next 90km/hr if the average speed for the entire journey is 60km/h?



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