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Prove that the surface area of a sphere ...

Prove that the surface area of a sphere is equal to the curved surface area of the circumscribed cylinder.

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RD SHARMA ENGLISH-SURFACE AREAS AND VOLUMES-All Questions
  1. Sushant has a vessel of the form of an inverted cone, open at the top,...

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  2. A vessel in the shape of a cuboid contains some water. If three ind...

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  3. Prove that the surface area of a sphere is equal to the curved surface...

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  4. Find the volume of the largest right circular cone that can be cut out...

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  5. A right circular cylinder having diameter 12cm and height 15cm is full...

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  6. A circus tent is cylindrical upto a height of 3m and conical above it....

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  7. Water is flowing at the rate of 2.52 km/h through a cylindrical pipe ...

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  8. The solid is composed of a cylinder with hemispherical ends. If the wh...

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  9. A solid is in the form of a right circular cone mounted on a hemisp...

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  10. Three cubes each of side 5 cm are joined end to end. Find the surfa...

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  11. Two cubes each of volume 64\ c m^3 are joined end to end. Find t...

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  12. A metallic sphere of radius 4.2 cm is melted and recast into the sh...

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  13. Metallic spheres of radii 6 cm, 8 cm and 10 cm respectively, are me...

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  14. How many spherical bullets can be made out of a solid cube of lead ...

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  15. A sphere of diameter 6 cm is dropped in a right circular cylindrica...

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  16. A right circular cone is 3.6 cm high and radius of its base is 1.6 ...

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  17. A conical vessel whose internal radius is 5 cm and height 24 cm is ...

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  18. The dimensions of a metallic cuboid are: 100\ c mxx80\ c mxx64\ c m ...

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  19. Find the number of coins, 1.5 cm in diameter and 0.2 cm thick, to b...

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  20. A glass cylinder with diameter 20 cm has water to a height of 9 cm....

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