a motorcyclist drives from place A to B with a uniform speed of 30 km/h and return form place B to A with a uniform speed of 20 km per hour find his average speed
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average of speed is 10 km per hour
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When a body covers equal distance at x km/h and y km/h
Then average speed = 2*x*y/x+y
2*30*20/30+20 = 1200/50 = 24 km/h
Then average speed = 2*x*y/x+y
2*30*20/30+20 = 1200/50 = 24 km/h
rohitkunvar:
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