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A cylindrical tub of radius 12 cm contai...

A cylindrical tub of radius 12 cm contains water to a depth of 20 cm. A spherical ball is dropped into the tub and the level of the water is raised by 6.75 cm. Find the radius of the ball.

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MODERN PUBLICATION-SURFACE AREAS AND VOLUMES-EXERCISE
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  2. In the Fig., solid consists of a cylindrical section of length 6.5 cm ...

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  3. A cylindrical tub of radius 12 cm contains water to a depth of 20 cm. ...

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  4. If the total surface area of a cube is 54x^2. Find its lateral surface...

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  5. Find the total surface area of a cuboid which is 6 cm long, 7 cm wide ...

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  6. Find the edge of a cube whose surface area is 432m^2.

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  7. The surface area of a cuboid is 1300cm^2. If its length is 15 cm and h...

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  8. If two cubes, each of side 6 cm are joined face to face, then find the...

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  9. Write the number of surfaces of a right circular cylinder.

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  10. Base radius of two cylinder are in the ratio 2 : 3 and their heights a...

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  11. The heihgt of a cone is 15 cm. if its volume if 500 picm^3. Then find ...

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  12. The height and the slant height of a cone are 21 cm and 28 cm respecti...

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  13. Find the volume of the largest right circular cone that can be placed ...

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  14. Find thelenght of cloth used in making a conical pandal of height 100 ...

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  15. Find the surface area of a sphere of radius 14 cm.

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  16. Find the volume of the sphere whose surface are is 154cm^2.

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  17. If a sphre of radius of 2r has the same volume as that of a cone with ...

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  18. If a sphere is inscribed in a cube, find the ratio of the volume of cu...

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  19. Find the total surface area of a hemisphere of radius 16 cm.

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  20. The surface area of a sphere of radius 5 cm is five times the area of ...

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