A train moves with a speed of 30 km | hr for 12 minutes and for next 8 minutes at a speed of 45 km/hr. The average speed of the train is:
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Math
Answer:
A train moves with a speed of 30 km | hr for 12 minutes and for next 8 minutes at a speed of 45 km/hr. The average speed of the train is: 36 km/hr.
