The diameter of each wheel of car is 70 cm. If each wheel rotates 400 times per

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The diameter of each wheel of car is 70 cm. If each wheel rotates 400 times per minutes, then the speed of the car (in km/hr) if : $$\left( {{\text{Take }}\pi = \frac{{22}}{7}} \right)$$

Options:

A . 5.28 km/hr

B . 528 km/hr

C . 52.8 km/hr

D . 0.528 km/hr

Answer: Option C

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