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Two cones have their heights in the rati...

Two cones have their heights in the ratio 1:3 and the radii of their bases in the ratio 3:1. Find the ratio of their volumes.

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RD SHARMA ENGLISH-SURFACE AREAS AND VOLUMES-All Questions
  1. A cone, a hemisphere and a cylinder stand on equal bases and have t...

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  2. The radii of two cones are in the ratio 2 : 1, their volumes are eq...

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  3. Two cones have their heights in the ratio 1:3 and the radii of thei...

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  4. A hemisphere and a cone have equal bases. If their heights are also...

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  5. If r1 and r2 denote the radii of the circular bases of the frustum ...

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  6. If the slant height of the frustum of a cone is 6 cm and the perime...

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  7. If the areas of circular bases of a frustum of a cone are 4\ c m^2 ...

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  8. The surface area of a sphere is 616\ c m^2 . Find its radius.

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  9. A cylinder and a cone are of the same base radius and of same height...

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  10. The slant height of the frustum of a cone is 5 cm. If the differenc...

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  11. Conversion of Sphere into cylinder : The diameter of metallic sphere i...

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  12. A metallic sphere of radius 10.5 cm is melted and recast into small...

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  13. A solid is hemispherical at the bottom and conical above. If the sur...

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  14. A solid sphere of radius r is melted and cast into the shape of a ...

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  15. The material of a cone is converted into the shape of a cylinder of...

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  16. A circus tent is cylindrical to a height of 4 m and conical above i...

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  17. The number of solid spheres, each of diameter 6 cm that could be mou...

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  18. A sphere of radius 6 cm is dropped into a cylindrical vessel partly ...

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  19. If the radii of the circular ends of a bucket of height 40 cm are o...

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  20. If a cone is cut into two parts by a horizontal plane passing throug...

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