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The radius of a spherical ballon increas...

The radius of a spherical ballon increases from 7 cm to 14 cm as air is pumped into it. Find the ratio of volumes of balloon before and after pumping the air.

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`8:27`
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VGS PUBLICATION-BRILLIANT-MENSURATION-OBSERVATION MATERIAL TO SOLVE VARIOUS QUESTIONS GIVEN IN THE PUBLIC EXAMINATION
  1. Find the curved surface area of cylinder, whose radius is 7cm. And hei...

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  2. Find the volume and total surface area of a hemisphere whose radius is...

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  3. A solid iron has cylinderical shape. Its height is 11 cm. and base dia...

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  4. Find the total surface area of a hemisphere, whose radius is 14 cm.

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  5. The base area of a cone is 616 sq.cm and its height is 48 cm. Find its...

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  6. The radius of a spherical ballon increases from 7 cm to 14 cm as air i...

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  7. Find the volume and surface area of a sphere of radius 42 cm.

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  8. A solid metallic ball of volume 64 cm^(3) is melted and made into a so...

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  9. A toy is in the form of a cone mounted on a hemisphere. The radius of ...

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  10. The diameter of a solid sphere is 6 cm. It is melted and recast into a...

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  11. The height and the base radius of a Cone and a Cylinder are equal to t...

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  12. The radius of a conical tent is 5m and its height is 12m. Calculate th...

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  13. How many spherical balls can be made out of a solid cube of lead whos...

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  14. A medicine capsule is in the shape of a cylinder with two hemispheres ...

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  15. The area of a sector-shaped canvas cloth is 264 m^(2). With this canva...

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  16. DWARCA is supplied cuboidal shaped wax block with measurements 88 cm t...

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  17. How many spherical balls each 7 cm in diameter can be made out of a so...

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  18. The length of cuboid is 12 cm, breadth and height are equal in measure...

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  19. How many silver coins of diameter 5 cm and thickness 4 mm have to be m...

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  20. An oil drum is in the shape of cylinder , whose diameter is 2m and he...

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