SOLUTION: a bus travels first half of its journey with a speed of 40km/hr and in next half with a speed of 60km/hr. what is the average speed of he bus.?
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Question 767189: a bus travels first half of its journey with a speed of 40km/hr and in next half with a speed of 60km/hr. what is the average speed of he bus.?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
a bus travels first half of its journey with a speed of 40km/hr and in next half with a speed of 60km/hr. what is the average speed of he bus.?
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Avg speed = 2*40*60/(40+60)
= 48 km/hr
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