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Question 33
The diameter of a wheel is 42 cm. How many revolutions will be made by the wheel in covering a distance of 4092 metre ?
Solution
Distance covered by wheel in one revolution = circumference of wheel
= $$\pi$$ * diameter
= $$\frac{22}{7} * 42$$ = 132 cm
= 1.32 metre
=> No. of revolutions = $$\frac{4092}{1.32}$$ = 3100
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