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The height of a cylinder is doubled and ...

The height of a cylinder is doubled and radius is tripled then its curved surface area will become ….. times.

A

7

B

6

C

9

D

12

Text Solution

Verified by Experts

The correct Answer is:
B
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VGS PUBLICATION-BRILLIANT-MENSURATION-CREATIVE BITS FOR CCE MODEL EXAMINATION
  1. A cylinder, a cone and a hemisphere are of equal base and have the sam...

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

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

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

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  5. Ratio of volumes of a cylinder and a hemisphere of equal radius and h...

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

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

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

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

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

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

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

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

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  14. Volume of cone is …… cu. units.

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  15. Volume ofsphere is ….. cu. units.

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  16. Volume of hemisphere is …… cu. units.

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

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

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

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

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