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प्रश्न
The wheel of a motorcycle is of radius 35 cm. How many revolutions are required to travel a distance of 11 m?
बेरीज
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उत्तर
Given, radius of wheel, r = 35 cm
Circumference of the wheel = 27πr
= `2 xx 22/7 xx 35`
= 220 cm
Distance to be covered = 11 m = 1100 cm
So, number of revolutions required to cover 1100 cm
= `1100/220` revolutions
= 5 revolutions
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