A boy is cycling such that the wheels of the cycle are making 140 revolutions per minute. If the diameter of the wheel is 60 cm then calculate the speed (in km/h) with which the boy is cycling.

18.84 km/hr

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15 km/hr

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15.84 km/hr

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18 km/hr

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Solution

The correct option is C 15.84 km/hr

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