Page 1 - Work Sheet-2- Ch-13 SA and Volume(Cylinder)
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SAI International School
                                                     CLASS - IX

               Mathematics
               CHAPTER-13: SURFACE AREAS AND VOLUMES

                Worksheet -2 [CYLINDERS]
               1.     If the radius of cylinder is halved and height is doubled, then what will be the       1
                     curved surface area?
                      (a) increase by 1   (b) the same     (c) double       (d) triple

               2.    In the cylindrical container, the base radius is 8 cm. If the height of the water       1
                     level is 20 cm, find the volume of the water in the container (in litre).
                      (a) 5.6721             (b) 4.0218        (c) 3.8925        (d) 4.97

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               3.     The curved surface area of a right circular cylinder of height 14 cm is 88 cm .        1
                     The diameter of the base is:
                     a. 2 cm                   b. 3cm               c. 4cm             d. 6cm
               4.     If the radius of a cylinder is 4cm and height is 10cm, then find the total surface     1
                     area of a cylinder.
               5.    The Curved surface area of a right circular cylinder is 4.4       and the radius of     1
                                                                                     2
                     the base is 0.7 cm. What will be its height?
               6.    A rectangular sheet of paper 44cm× 18      is rolled along its length and a             1
                     cylinder is formed. Find the volume of the cylinder.
               7.    In a cylinder radius is doubled and height is halved, volume will be:                   1
                     a. Halved               b. Doubled        c. Same           d. Four times
               8.    The volume of a cylinder of diameter 14 cm and height 20 cm is ______.                  1


               9.    The radii of two cylinders are in the ratio 2: 3 and their heights are in the ratio      1
                     5 : 3.What will be the ratio of their volumes?
               10.  If in a cylinder, radius is doubled and height is halved. The new curved surface         1
                     area is _____.
               11.  The radius and height of a cylinder are in the ratio 5: 7 and its volume is 550          2
                     cm . Find its radius.
                        3
               12.    If the radius of the base of a right circular cylinder is halved keeping the height    2
                      same, what is the ratio of the volume of the reduced cylinder to that of the
                      original.

               13.  The radii of two right circular cylinders are in the ratio 2 : 3 and their heights are   2
                     in the ratio 5 : 4. Calculate the ratio of their volumes.
               14.  A rectangular piece of paper is 22 cm long and 10 cm wide. A cylinder is formed          3
                     by rolling the paper along its length. Find the volume of the cylinder.
               15.  Two cylindrical cans have bases of the same size. The diameter of each is 14             3
                     cm. One of the cans is 10 cm high and the other is 20 cm high. Find the ratio of
                     their volumes.
               16.  The radius and the height of a cylinder are in the ratio 2 : 7. If the volume of the     3


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