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1 October, 02:55

How many revolution will a car wheel of diameter 30in make as the car travels a distance of one mile.

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  1. 1 October, 03:04
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    Circumference = (pi) x (diameter) = 30 pi inches.

    1 foot = 12 inches

    1 mile = 5,280 feet = 63,360 inches

    Number of revolutions in 1 mile = (63,360) / (30 pi) = 672.27 ... revs (rounded)
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