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Some solid metallic right circular co...

Some solid metallic right circular cones, each with radius of the base 3 cm and height 4 cm, are melted to form a solid sphere of radius 6 cm. The number of right circular cones is (a) 6         (b) 12        (c) 24       (d) 48

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RS AGGARWAL-VOLUME AND SURFACE AREAS-All Questions
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  2. A metallic sphere of radius 5 cm is melted to make a cone with base...

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  3. Some solid metallic right circular cones, each with radius of the b...

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

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  5. A cone of height 15 cm and base diameter 30 cm is carved out of a w...

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  6. A metallic cone of radius 12 cm and height 24 cm is melted and made...

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  7. In what ratio are the volumes of a cylinder, a cone and a sphere, i...

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  8. If the diameter of a sphere is 6 m, its hemisphere will have a volu...

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  9. The total surface area of a solid hemisphere of diameter 14 cm, is ...

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  10. Volume of a hemisphere is 19404 cu. cm. Its radius is (a) 10.5 c...

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  11. A hemispherical bowl is 176 cm round the brim. Supposing it to be h...

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  12. The capacities of two hemispherical vessels are 6.4 litres and 21.6...

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  13. A hemispherical bowl is made of steel 0.5 cm thick. The inside radi...

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  14. The external and internal diameters of a hemispherical bowl are 10 ...

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  15. A hemispherical bowl of internal radius 12 cm contains liquid. This...

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  16. A hemispherical bowl is filled to the brim with a beverage. The con...

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  17. A water tank open at the top is hemispherical at the bottom and cyl...

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  18. If a cylindrical tower D metres in diameter and H metres high is...

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  19. The ratio of the volumes of a hemisphere and a cylinder circumscrib...

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  20. A metallic hemisphere is melted and recast in the shape of a cone with...

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