A train cover 40km at a uniform speed of 40 km per hour and next 60 km at a uniform speed of 50 km per hour find the total time taken and the overall average speed
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A train cover 40km at a uniform speed of 40 km per hour and next 60 km at a uniform speed of 50 km per hour find the total time taken and the overall average speed
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A train cover 40km at a uniform speed of 40 km per hour and next 60 km at a uniform speed of 50 km per hour find the total time taken and the overall average speed.
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