The radius of a circular wheel is m How many revolutions will it make in travelling 1...........

Quantitative Aptitude ( CCS) Mensuration 2D

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

5000

500

1000

8500

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Explanation:

Distance to be travelled =11km=11000m
Radius of the wheel =13/4 m=7/4 m
∴ Circumference of the wheel=2×22/7×7/4=11m
∴ In travelling 11 m, wheel makes 1 revolution.
∴In travelling 11000 m the wheel makes 1/11×11000 revolutions.
i.e. 1000 revolutions.