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(a) How many balls of radius 1 cm can be...

(a) How many balls of radius 1 cm can be drawn by melting metallic sphere of radius 3 cm?
(b) The small spherical balls of diameter 0.6 cm are drawn by melting solid metallic sphere of 3cm radius .Find the number of small balls constructed.

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The correct Answer is:
(a) 27 (b) 1000
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NAGEEN PRAKASHAN-VOLUME AND SURFACE AREA OF SOLIDS-Exercise
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  3. (a) How many balls of radius 1 cm can be drawn by melting metallic sph...

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  4. (a) How many spherical balls of diameter 12 cm can be construct ed by ...

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  5. A metallic sphere of radus 4 cm and a metallic cone of base readius 3 ...

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  6. How many solid speherical balls of radus 3.5 cm can be recast by melt...

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  7. There is some water in a cylindrical vessel of radus 6 cm a sphere of ...

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  8. A solid metallic ball is dropped in a cylindrical vessel which has som...

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  9. (i) The radius of a metallic sphere is 3 cm .It melted and recast in t...

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  10. How many metallic cones of radius 3 cm and height 13.5 cm are required...

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  11. The inner radius of a hemispherical cup is 9 cm and it is completely ...

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  12. Two metallic cones of equal radii 2.1 cm and heights 4.1 cm and 4.3 cm...

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  13. Threee metallic cones of radius 2cm and height 9cm are melted and reca...

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  14. Threee metallic cones of radius 2cm and height 9 cm are melted and rec...

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  15. A metallic cone is melted and recast in to a cylinder of same radius a...

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  16. A cone of height 15 cm is melted and reacast in to cylinder of same ba...

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  17. A cone of same height and same base radius is cut from a cylinder of h...

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  18. The heights of two cones are same and equal to 6cm .Their radii are 4c...

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  19. Find the volume of a cube whose diagonal is 17.32 metre.

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  20. The radius of a spherical ball of iron is 1.5 cm. It is melted and rec...

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