27
The diameter of a wheel is 49 m. How many revolutions will it make to cover a distance of 3200 m?
- A17
- B27
- C24
- D21
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Solution
Circumference of th wheel = pi * Diameter = (22/7) * 49 = 154
Number of revolutions of the wheel = 3200/154 = 20.77~21
The wheel will make around 21 revolutions.
Circumference of th wheel = pi * Diameter = (22/7) * 49 = 154
Number of revolutions of the wheel = 3200/154 = 20.77~21
The wheel will make around 21 revolutions.