Question

The diameter of a bullock cart wheel is metres This wheel makes ten complete revolutions per minute What would be the speed of the cart in kilometres per hour

A

B

C

D

Medium

Solution

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Correct option is D)

Radius 
 Perimeter 
Thus the wheel covers 4 meters in one revolution i.e. meters in revolutions Hence the distance of meter is covers in one minute i.e. meter in minutes  i.e. km in one hour

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