Question

In a race, Ravi ran for 15 seconds at the speed of 9km/hr, Took a break for two Minutes and again ran for 15 seconds at speed of 9km/hr. find the avg speed of Ravi

Answer 1

Answer:

Let the time he walks be x hours

From the given condition

3(x)+9(3−x)=15⟹6x=12⟹x=2

So the time he runs is 3−2=1 hour

Distance covered by running is 1×9=9 km

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