1.

A train travels for 30 minutes with a velocity of 54 km/h and then for 120 minutes with a velocity of 72 km/h in the same direction. Calculate the average velocity of the train.

Answer»

A train travels for 30 minutes with a velocity of 54 km/h and then for 120 minutes with a velocity of 72 km/h in the same direction. Calculate the average velocity of the train.





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