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The radii of two cones are in the ratio ...

The radii of two cones are in the ratio 2:1 and their volumes are equal.What is the ratio of their heights?

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R G PUBLICATION-SURFACE AREA AND VOLUMES-EXERCISE
  1. A cylinder and a cone are of the same base radius and of some height.F...

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  2. A sphere and a cube have equal surface areas.What is the ratio of the ...

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  3. The radii of two cones are in the ratio 2:1 and their volumes are equa...

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  4. The radii of the bases of a cylinder and a cone are in the ratio 3:4 a...

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  5. Two cones height are in the ratio 1:3 and radii 3:1.What is the ratio ...

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  6. Two cubes have their volumes in the ratio 1:27.What is the ratio of th...

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  7. A sphere of maximum volume is cut out from a solid hemisphere of radiu...

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  8. What is the ratio of the volume of a cube to that of a sphere which wi...

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  9. If the slant height of the frustum of a cone is 5 cm.If the difference...

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  10. The slant height of the frustrum of a cone is 5cm.If the difference be...

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  11. A cylindrical pencil sharpened at one edge is the combination of

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  12. A funnel is the combination of

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  13. A plumbine is the combination of

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  14. A cone is cut by a plane parallel to its base and the upper part is re...

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  15. During conversion of a solid from one shape to another,the volume of t...

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  16. The diameter of a sphere is 6 cm.It is melted and drawn into a wire of...

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  17. The volume of a cube is 2744cm^3.Its surface area is a)1176cm^2 b) 61...

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  18. The length of the diagonal of a cube 6sqrt3cm.Its total surface area i...

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  19. If edge of a cube is increased by 50% the percentage increase in the s...

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  20. A metallic sphere of radius 10.5cm is melted and then recast into smal...

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