A train travels the first 15 km at a uniform
speed of 30 km per hour, the next 75 kilometre
at a uniform speed of 20 km per hour , calculate the average
Speed for the entire train journey.
Answers
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1
Answer:
25 km/hr
Explanation:
as we know ,
average=sum of observations divide by number of observations
30+20 divided by 2
50 divided by 2
25 km/hr
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