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A hemispherical dome of a buiding needs ...

A hemispherical dome of a buiding needs to be painted (see the given figure). If the circumference of the base of the dome is 17.6 m, find the cost of painting it, given the cost of painting is Rs. 5 per 100 `cm^(2)`.

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The correct Answer is:
Rs. 24,640
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KUMAR PRAKASHAN-SURFACE AREAS AND VOLUMES-MULTIPLE CHOICE QUESTIONS
  1. A hemispherical dome of a buiding needs to be painted (see the given f...

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  2. The total surface area of a cuboid with length 20 cm, breadth 15 cm an...

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  3. The lateral surface area of a cuboid with length 15 cm, breadth 8 cm a...

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  4. The diameter of a cylinder is 7 cm and its curved surface area is 220 ...

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  5. The total surface area of a closed cylinder with radius 3.5 cm and hei...

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  6. The curved surface area of a cone is 880 cm^(2). If its slant height i...

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  7. The curved surface area of a cone with diameter 14 cm and slant height...

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  8. The height of a cone is 24 cm and its slant height is 25 cm. Then, its...

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

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

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

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

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

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

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

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

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

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

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  19. The circumference of the base of a cone is 44 cm and its height is 6 c...

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