How many times a wheel of radius $28\ cm$ must rotate to go $352\ m$? $(Take\ \pi=\frac{22}{7})$

Radius of the wheel$=28\ cm$

Circumference$=2\pi r=2\times\frac{22}{7}\times28=176\ cm$

Number of rotations made by the wheel in going $352\ m$ or $35200\ cm=\frac{35200}{176}=200$

Hence, the required number of rotation$=200$

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Updated on: 10-Oct-2022

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