Question

A man covers half is journey at 6km per hr and the remaining at 3km per hr .Find his average speed

Answer 1

ahoy!
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we know that:

average speed = 2xy/ x + y

so,

av. speed = 2 × 6 × 3 ÷ (6 +3)

av. speed = $\frac{36}{9}$

av. speed = 4 km/ hr

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good life !

Answer 2

Hello user. The average speed is 4km/hr. You can see the image.