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The curved surface area of a cone is 880...

The curved surface area of a cone is 880 `cm^(2)`. If its slant height is 20 cm, then its diameter is ……….. cm.

A

14

B

7

C

5

D

28

Text Solution

Verified by Experts

The correct Answer is:
D
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KUMAR PRAKASHAN-SURFACE AREAS AND VOLUMES-MULTIPLE CHOICE QUESTIONS
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  7. The height of a cone is 24 cm and its slant height is 25 cm. Then, its...

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  8. The circumference of the base of a cone is 44 cm and its slant height ...

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  9. The diameter of a cone is 7 cm and its slant height is 16.5 cm. Then, ...

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

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  11. Total surface area of a hemisphere is 72 cm^(2). Then, its curved surf...

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  12. The surface area of a sphere is 616 cm^(2). Then, its radius is ……… cm...

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  13. In a cuboid, the area of the face with sides length and breadth is 120...

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  14. The volume of a cylinder is 2200 cm^(3) and its height is 7 cm. Then, ...

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  15. The radius and height of a cone are 7 cm and 3 cm respectively. Then, ...

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  16. The volume of a sphere is 4.5 picm^(3). Then, its diameter is ……… cm.

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  17. The ratio of radii of two cones is 2 : 3 and the ratio of their height...

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