A train takes 1 hour to go from one station to another, it travels at a speed of 20km/hr for half an hour and 30km/hr for another half an hour. The average speed of the train is ?
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16
average speed = total distance traveled / total time taken
Distance traveled in first 1/2 hour = 20*1/2=10 km
Distance traveled in second 1/2 hour = 30*1/2= 15 km
Total distance = 25km
∴ Average speed = 25 km/hr
Distance traveled in first 1/2 hour = 20*1/2=10 km
Distance traveled in second 1/2 hour = 30*1/2= 15 km
Total distance = 25km
∴ Average speed = 25 km/hr
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4
something 25km Per hour
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