Diameter of a cycle wheel is 14 cm. A cyclist takes 30 minutes to reach a destination at a speed at 11 km/h. How many revolutions will the wheel make during the journey?
2335 15e4669b573b6222f383a033bThe total surface area of a cube is 864 square cm. What is his volume?
1404 05e32568728cc9f701276e210