Anu climbs uphill at the rate of 4km/hr and downhill at the rate of 8km/hr. find average speed
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Speed = Distance / Time
Average Speed = Total distance / Total time
Let the distance be 'd'
Time taken during uphill = d/4 hr
Time taken durig downhill = d/8 hr.
Total time = (d/4)+(d/8) = 3d/8 hr.
Total distance = d+d = 2d km
Average Speed = 2d/(3d/8) = 16/3 km/hr
Average Speed = Total distance / Total time
Let the distance be 'd'
Time taken during uphill = d/4 hr
Time taken durig downhill = d/8 hr.
Total time = (d/4)+(d/8) = 3d/8 hr.
Total distance = d+d = 2d km
Average Speed = 2d/(3d/8) = 16/3 km/hr
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