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Ratio of volumes of two spheres is 8:27 ...

Ratio of volumes of two spheres is 8:27 then ratio of their curved surface areas is ……

A

`2 : 3`

B

`4 : 27`

C

`8 : 9`

D

`4 : 9`

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BEYOND PUBLICATION-MENSURATION-EXERCISE
  1. Curved surface area of a hemisphere = ……………

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  2. Volume of a cube having 1 cm side is ………….

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  3. Ratio of volumes of two spheres is 8:27 then ratio of their curved sur...

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  4. Football is an example of ……

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  5. Radius of a cone is 'r', height is 'h' and its slant height is 'l' the...

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  6. Radius, height, slant height of a cone are r, h, l, then 'l' value in ...

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  7. To calculate the quantity of milk inside a bottle we need to find out

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  8. A sphere, a cylinder and a cone have the same radius and same height ...

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  9. Diagonals of a cuboid is ……… units.

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  10. The radius of a conical tent is 3 meter and height is 4 meter then its...

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  11. Total surface area of a solid hemisphere of radius 7 cm. is …… cm^(2)...

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  12. Volume of is cuboid

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  13. The diameter of a metallic sphere is 6 cm and melted to draw a wire of...

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  14. A solid sphere of radius r melted and recast into the shape of a solid...

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  15. If the radii of circular ends of a frustum of a cone are 20 cm and 12 ...

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  16. The number of balls, each of radius 1 cm that can be made from a solid...

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  17. The ratio of volume of two cones is 4:5 and the ratio of the radii of ...

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  18. If the ratio of radii of two spheres is 2:3 then the ratio of their su...

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  19. If a cone is cut into two parts by a horizontal plane passing through ...

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  20. The height of a cylinder is doubled and radius is tripled then its cur...

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