Page 2 - Work Sheet-2- Ch-13 SA and Volume(Cylinder)
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                     cylinder is 704 cm , find the radius and height of the cylinder.
               17.  An iron pipe 20 cm long has exterior diameter equal to 25 cm. If the thickness of        4
                     the pipe is 1 cm, find the whole surface of the pipe.
               18.  A school provides milk to the students daily in cylindrical glasses of diameter 7        4
                     cm. If the glass is filled with milk up to a height of 12 cm, find how many litres of
                     milk is needed to serve 1600 students.
               19.  The diameter of a roller is 42 cm and its length is 120 cm. It takes 500 complete        4
                     revolutions to move once to land a playground. Find the area of the playground
                     in m .
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               20.  The curved surface area of a cylinder is 154 cm . The total surface area of the          4
                     cylinder is three times its curved surface area. Find the volume of the cylinder.





























































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