CBSE  /  Class 10  /  Maths  /  Surface Areas and Volumes

  • 1. 
    The volume of a right circular cylinder is 345 cm³. Then, the volume of a right circular cone whose radius of the base and height is the same as of circular cylinder will be:

  • 345 cm³
  • 690 cm³
  • 115 cm³
  • 230 cm³

  • 2. 
    The slant height of a bucket is 26 cm. The diameter of upper and lower circular ends are 36 cm and 16 cm. then height of bucket is:

  • 22 cm
  • 24 cm
  • 10 cm
  • 25 cm

  • 3. 
    The volume (in cm³) of the largest right circular cone that can be cut off from a cube of edge 4.2 cm is:

  • 9.7
  • 77.6
  • 58.2
  • 19.4

  • 4. 
    By melting a solid sphere of radius 5 cm a solid right circular cone of the same circular base radius is made. The height of cone is:

  • 20 cm
  • 10 cm
  • 5 cm
  • 12 cm

  • 5. 
    A cylinder and a cone area of same base radius and of same height. The ratio of the volume of cylinder to that of cone is:

  • 3 : 1
  • 1 : 3
  • 2 : 3
  • 1 : 1

  • 6. 
    Eight solid sphere of same size are made by melting a solid metallic cylinder of base diameter 6 cm and height 32 cm. The diameter of each sphere is:

  • 3 cm
  • 6 cm
  • 12 cm
  • 8 cm

  • 7. 
    The number of conical bottles of radius 2 cm and height 3.6 cm, required to empty the liquid from a cylindrical bottle of radius 6 cm and height 10 cm is:

  • 100
  • 9
  • 75
  • 20
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