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The small spherical balls of diameter 0.6 cm are drawn by melting a solid metallic sphere of 3 cm radius. Find the number of small balls constructed.

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The correct Answer is:
1000
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NAGEEN PRAKASHAN-SURFACE AREA AND VOLUME-Exercise 13d
  1. Find the volume of the sphere whose radius is : (a) 2 cm (b) 3 c...

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  2. Find the volume of the sphere whose diameter is : (a) 7 cm (b ) 1 ...

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  3. Find the surface area of the sphere whose diameter is : (a) 14 cm ...

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  4. Find the surface area of the sphere whose radius is : (a) 7 cm (b)...

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  5. Find the total surface area of the hemisphere whose radius is : (a) ...

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  6. The ratio of the radii of two spheres is 1 : 3. Find the ratio of thei...

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  7. If the radius of one sphere is twice the radius of second sphere, the...

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  8. If the ratio of the volumes of two spheres is 1 : 8, then find the rat...

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  9. The ratio of the volumes of two spheres is 64 : 27. Find the ratio of ...

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  10. (i) The numberical value of the volume and surface of a sphere are equ...

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  11. The ratio of the surfaces of two spheres is 2 : 3. Find the ratio of t...

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  12. If the radius a sphere becomes double, then find the percentage increa...

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  13. The volume of a sphere is (704)/(21) cm^(3). Find its total surface.

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  14. The volume of a sphere is 179 (2)/(3) cm^(3). Find its total surface.

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  15. (a) The total surface of a sphere is 676 pi cm^(2). Find the radius of...

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  16. Find the ratio of the total surface area of a sphere and a hemisphere ...

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  17. Three metallic spherical balls of radii 3 cm, 4 cm and 5 cm are melted...

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  18. Three metallic spheres are melted and recast into a big solid sphere. ...

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  19. How many balls of radius 1 cm can be drawn by melting a metallic spher...

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  20. The small spherical balls of diameter 0.6 cm are drawn by melting a so...

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