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Find the surface area of a sphere of radius 7cm.

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RD SHARMA ENGLISH-SURFACE AREA AND VOLUME OF A SPHERE -All Questions
  1. A sphere, a cylinder and a cone are of the same radius and same hei...

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  2. Find the surface area and total surface area of a hemisphere of rad...

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  3. Find the surface area of a sphere of radius 7cm.

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  4. The internal and external diameters of a hollow hemispherical vesse...

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  5. The internal and external diameters of a hollow hemi-spherical vesse...

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  6. A right circular cylinder just encloses a sphere of radius r as show...

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  7. Show that the surface area of a sphere is the same as that of the l...

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  8. A cone, a hemisphere and a cylinder stand on equal bases and have t...

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  9. The largest sphere is carved out of a cube of side 10.5 cm. Find the...

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  10. If the radius of a sphere is doubled, what is the ratio of the volu...

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  11. A spherical ball of lead 3cm in diameter is melted and recast into t...

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  12. Find the surface area of a sphere of radius 7cm.

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  13. Find the total surface area of a hemisphere of radius 21cm.

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  14. The radius of a spherical balloon increases from 7cm to 14cm as air is...

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  15. A sphere, a cylinder and a cone are of the same radius and same hei...

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  16. Show that the surface area of a sphere is the same as that of the l...

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  17. A right circular cylinder just encloses a sphere of radius r as sho...

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  18. A hemispherical bowl is made of steel, 0.25 cm thick. The inner rad...

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  19. The internal and external diameters of a hollow hemispherical vesse...

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  20. The internal and external diameters of a hollow hemispherical vesse...

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