Question

On a 100 m track a train travel first 30 km at uniform speed of 30 km/h how fast must train travel the next 70 km so as average speed is 40 km/h for entire trip

Answer 1

Explanation:

210 km. A bus trave

he first 105 km at a speed of 50 km/h. How fast must the bus travel the ne)

05 km, to have an average 60 km/h for the whole journey? (70km/h)

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