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The surface area of a solid sphere is in...

The surface area of a solid sphere is increased by 21% without changing its shape. Find the percentage increase in its volume .

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The correct Answer is:
`33.1%`
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ICSE-CYLINDER, CONE AND SPHERE -EXERCISE 20 (C)
  1. The surface area of a sphere is 2464 cm^(2), find its volume.

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  2. The volume of a sphere is 38808 cm^(3), find its diameter and the surf...

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  3. A spherical ball of lead has been melted and made into identical small...

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  4. How many balls each of radius 1 cm can be made by melting a bigger bal...

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  5. Eight metallic spheres, each of radius 2 mm, are melted and cast into ...

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  6. The volume of one sphere is 27 times that of another sphere. Calculate...

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  7. The volume of one sphere is 27 times that of another sphere. Calculate...

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  8. If the number of square centimetres on the surface of a sphere is equa...

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  9. A solid metal sphere is cut through its centre into 2 equal parts. If ...

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  10. The internal and external diameters of a hollow hemispherical vessel a...

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  11. The internal and external diameters of a hollow hemispherical vessel a...

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  12. The internal and external diameters of a hollow hemispherical vessel a...

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  13. The internal and external diameters of a hollow hemispherical vessel a...

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  14. A solid sphere and a solid hemi-sphere have the same total surface are...

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  15. Metallic spheres of radii 6 cm, 8 cm and 10 cm respectively are melted...

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  16. The surface area of a solid sphere is increased by 21% without changin...

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  17. The surface area of a solid sphere is increased by 21% without changin...

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