9th Class Mathematics Surface Areas and Volumes Question Bank Surface Areas and Volumes

  • question_answer
    Match the following.
    Column-I Column-II
    (p) A cylinder of radius 3 cm is inscribed in a sphere of radius 5 cm, then volume of cylinder is ___. (1)\[38.5\,\,c{{m}^{3}}\]
    A conical pit of top diameter 3.5 cm is 12 cm deep, the capacity of pit is ___. (2)\[512\text{ }c{{m}^{3}}\]
    (r) The length of a diagonal of a cube is \[8\sqrt{3}\,cm.\]then volume of cube is ___. (3)\[~72\pi \text{ }c{{m}^{3}}\]
    (s) The capacity of a conical vessel with height 12 cm and slant height 13 cm is___. (4)\[100\pi \,c{{m}^{3}}\]

    A) \[(p)\to (2);(q)\to (3);(r)\to (4);(s)\to (1)\]

    B) \[(p)\to (1);(q)\to (3);(r)\to (2);(s)\to (4)\]

    C) \[(p)\to (3);(q)\to (1);(r)\to (2);(s)\to (4)\]

    D) \[(p)\to (4);(q)\to (1);(r)\to (3);(s)\to (2)\]

    Correct Answer: C

    Solution :

    (p) Let height and radius of the cylinder be h an r respectively. Let R be the radius of sphere. In Volume of cylinder (Q) Radius of conical pit Depth of conical pit (h) = 12 cm Volume of conical pit (R) Length of diagonal of cube of side Volume of cube (S) Volume of conical vessel


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