RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 18. Area of Circle, Sector and Segment

Subject: Maths - Class 10th

Q. No. 18 of Multiple Choice Questions (MCQ)

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18

The radius of a wheel is 0.25 m. How many revolutions will it make in covering 11 km?

Radius of wheel = r = 0.25 m


Distance the wheel travels = 11 km = 11000 m


In 1 revolution wheel travels 2πr distance


No. of revolutions a wheel makes =


=


= 7000 revolutions

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