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A spherical balloon grows to twice its r...

A spherical balloon grows to twice its radius when inflated. How has its volume increased ?

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MBD-Surface Areas and Volumes-Exercise
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  2. A sphere of diameter 6 cm is dropped into a cylindrical vessel partly ...

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

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

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

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  6. A copper wire 36m long with diameter 2 mm is melted to form a sphere. ...

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  7. A copper wire 36m long with diameter 2 mm is melted to form a sphere. ...

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  8. A copper wire 36m long with diameter 2 mm is melted to form a sphere. ...

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  9. A hemispherical bowl of steel is of thickness 0.3 cm (See Fig) If the ...

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  10. Match the following : .

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  11. Find x+y+z

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  12. If diameter of a sphere is decreased by 25% then what percent does its...

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  13. Sameera wants to celebrate the fifth birthday of her daughter with a p...

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  14. The surface area of a cuboid is

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  15. The surface area of a cube if its edge is a is?

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  16. The length, breadth and height of a room is 5m, 4m and 3m. The cost of...

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  17. The floor of a rectangular hall has a perimeter 250 m. If the cost of ...

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  18. The breadth of a room is twice its height and is half of its length. T...

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  19. The area of three adjacent faces of a cube is x, y and z. Its volume V...

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  20. Two cubes each of edge 12 cm are joined. The surface area of new cuboi...

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