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A metallic sphere of radius 4.2 cm is me...

A metallic sphere of radius 4.2 cm is melted and recast into the shape of cylinder of radius 6 cm. Find the height of the cylinder.

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MBD-Surface Areas And Volumes -Excercise
  1. A metallic sphere of radius 4.2 cm is melted and recast into the shape...

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  2. A toy is in the form of a cone mounted on a hemisphere of radius 3.5 c...

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  3. A solid cylinder of diameter 12 cm and height 15 cm is melted and reca...

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  4. An underground water tank is in the form of a cuboid of edges 48 m, 36...

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  5. The volume of a cube is 1728 cm^3. Find its edge and surface area.

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  6. The diameter of the base of a right circular cylinder is 28 cm and its...

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  7. The diameter of the base of a right circular cylinder is 28 cm and its...

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  8. The diameter of the base of a right circular cylinder is 28 cm and its...

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  9. The curved surface area of a right circular cone is 12320 cm^2. If the...

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  10. Find the volume and the surface area of a metallic sphere having diame...

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  11. The internal and external diameters of a hollow hemisphere vessel are ...

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  12. The radius of a solid hemispherical toy is 3.5 cm. Find its total surf...

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  13. A hemisphere, the diameter of whose base is equal to the side of a cub...

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  14. The side of a cube is 21 cm. A hemisphere whose base diameter is equal...

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  15. A solid is in the form of a cylinder with hemispherical ends. The tota...

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  16. A solid is in the shape of a cone standing on a hemisphere with both t...

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  17. Rachel, an engineering student, was asked to make a model shaped like ...

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  18. A gulab jamun, containssugar syrup up to about 30% of its volume. Find...

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  19. A pen stand made of wood is in the shape of a cuboid with four conical...

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  20. A vessel is in the form of an inverted cone. Its height is 8 cm and th...

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  21. A solid iron pole consists of a cylinder of height 220 cm and base dia...

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