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A bicycle wheel of radius 42cm is rolled over a distance of 66m. How many revolutions does it make? [Take π=22/7]

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In one revolution, the bicycle covers a distance equal to the circumference of the wheel.

So, in one revolution, the bicycle covers

C=2 \pi r=2* (22)/(7)*0.42(m)= 44*0.06(m)=2.64 (m)

In a distance of 66 m the bicycle makes
(66)/(2.64)= 25 revolutions


Answer: 25 revolutions
User Jeremias Erbs
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