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The ratio of volume of two cones is 4:5 ...

The ratio of volume of two cones is 4:5 and the ratio of the radii of their base is 2:3 then ratio of their vertical heights is

A

`4 : 5`

B

`9 : 5`

C

`3 : 5`

D

`2 : 5`

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BEYOND PUBLICATION-MENSURATION-EXERCISE
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  3. The ratio of volume of two cones is 4:5 and the ratio of the radii of ...

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

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

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

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  7. Diameter of a sphere which can inscribe a cube of edge x cm is ….

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  8. Total surface area of hemisphere of radius r is ……………

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  9. Volume of a frustrum of a cone is …….

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  10. If the length of each diagonal of a cube is doubled, then its volume b...

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  11. If a right angled triangle is revolved about its hypotenuse then it wi...

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  12. A solid sphere of radius 10 cm is moulded into 8 spherical solid balls...

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  13. In a hollow cuboid box of size 4 times 3 times 2 m, the number of soli...

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  14. If the external and internal radii of a hollow hemispherical bowl are ...

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  15. Volume of cylinder is ……… cu. units.

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  16. Volume of cone is …… cu. units.

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  17. Volume ofsphere is ….. cu. units.

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  18. Volume of cuboid = ……… cu. units.

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  19. Total surface area of cube is ……….sq. units.

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  20. Total surface area of cylinder is ……… sq. units.

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