Question

a boy cover a distance to reach his school and he cover half of a distance with 2 metre per second and other half with 4 metre per second then calculate average speed​

Answer 1

Explanation:

$\frac{ \frac{1}{2} \times 2 + \frac{1}{2} \times 4 }{2} \\ = \frac{1 + 2}{2} \\ = \frac{3}{2} \\ = 1 \frac{1}{2}$

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Answer 2

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