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A dome of a building is in the form of a...

A dome of a building is in the form of a hemisphere. From inside, it was white ¬ washed at the cost of Rs 498.96. If the cost of white-washing is at the rate of Rs 2.00 per square metre, find the inner surface area of the dome.

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A dome of a building is in the form of a hemisphere. From inside, it was white ¬ washed at the cost of Rs 498.96. If the cost of white-washing is at the rate of Rs 2.00 per square metre, find the volume of the air inside the dome.

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MBD-Surface Areas and Volumes-Exercise
  1. A hemispherical tank is made up of an iron sheet 1 cm thick. If the in...

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  2. Find the volume of a sphere whose surface area is 154 cm^2 .

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  3. A dome of a building is in the form of a hemisphere. From inside, it w...

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  4. A dome of a building is in the form of a hemisphere. From inside, it w...

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  5. Twenty seven solid iron spheres, each of radius r and surface area S a...

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  6. Twenty seven solid iron spheres, each of radius r and surface area S a...

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  7. A capsule of medicine is in the shape of a sphere of diameter 3.5 mm. ...

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  8. Find the volume of a sphere of radius 4 cm.

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  9. Find the volume of a sphere whose radius is : 3.5 cm.

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  10. Find the volume of a sphere whose radius is : 14 dm.

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  11. A hemispherical bowl has inner diameter 11.2 cm. Find the volume of th...

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  12. If S denotes the surface area and V the volume of the sphere, then sho...

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  13. The surface area of a sphere is 1386 cm^2. Find its volume.

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  14. The diameter of a copper sphere is 6 cm. It is beaten and drawn into a...

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  15. A hemispherical bowl is made of steel 0.25 cm thick. The inner radius ...

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  16. Find the volume and total surface area of a soild in the form of a rig...

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  17. A sphere of diameter 6 cm is dropped into a cylindrical vessel partly ...

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  18. A spherical balloon grows to twice its radius when inflated. How has i...

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  19. The diamater of a shot-put made of brass is 14 cm. If 1 cm^3 of brass ...

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  20. How many lead shots each 0.3 cm in diameter be can made from a cuboid ...

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